13304485760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{5119}}^1$

素因数の和:5300

約数の個数: 128

約数和(自身を含む): 33089126400

約数和(自身を除く): 19784640640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 131, 155, 160, 248, 262, 310, 320, 496, 524, 620, 640, 655, 992, 1048, 1240, 1310, 1984, 2096, 2480, 2620, 3968, 4061, 4192, 4960, 5119, 5240, 8122, 8384, 9920, 10238, 10480, 16244, 16768, 19840, 20305, 20476, 20960, 25595, 32488, 40610, 40952, 41920, 51190, 64976, 81220, 81904, 83840, 102380, 129952, 158689, 162440, 163808, 204760, 259904, 317378, 324880, 327616, 409520, 519808, 634756, 649760, 655232, 670589, 793445, 819040, 1269512, 1299520, 1341178, 1586890, 1638080, 2539024, 2599040, 2682356, 3173780, 3276160, 3352945, 5078048, 5364712, 6347560, 6705890, 10156096, 10729424, 12695120, 13411780, 20312192, 20788259, 21458848, 25390240, 26823560, 41576518, 42917696, 50780480, 53647120, 83153036, 85835392, 101560960, 103941295, 107294240, 166306072, 207882590, 214588480, 332612144, 415765180, 429176960, 665224288, 831530360, 1330448576, 1663060720, 2660897152, 3326121440, 6652242880, 13304485760]

約数ペア:

[(1, 13304485760), (2, 6652242880), (4, 3326121440), (5, 2660897152), (8, 1663060720), (10, 1330448576), (16, 831530360), (20, 665224288), (31, 429176960), (32, 415765180), (40, 332612144), (62, 214588480), (64, 207882590), (80, 166306072), (124, 107294240), (128, 103941295), (131, 101560960), (155, 85835392), (160, 83153036), (248, 53647120), (262, 50780480), (310, 42917696), (320, 41576518), (496, 26823560), (524, 25390240), (620, 21458848), (640, 20788259), (655, 20312192), (992, 13411780), (1048, 12695120), (1240, 10729424), (1310, 10156096), (1984, 6705890), (2096, 6347560), (2480, 5364712), (2620, 5078048), (3968, 3352945), (4061, 3276160), (4192, 3173780), (4960, 2682356), (5119, 2599040), (5240, 2539024), (8122, 1638080), (8384, 1586890), (9920, 1341178), (10238, 1299520), (10480, 1269512), (16244, 819040), (16768, 793445), (19840, 670589), (20305, 655232), (20476, 649760), (20960, 634756), (25595, 519808), (32488, 409520), (40610, 327616), (40952, 324880), (41920, 317378), (51190, 259904), (64976, 204760), (81220, 163808), (81904, 162440), (83840, 158689), (102380, 129952)]