7979806720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12569}}^1$

素因数の和:12629

約数の個数: 104

約数和(自身を含む): 19768487040

約数和(自身を除く): 11788680320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2048, 2480, 2560, 3968, 4096, 4960, 5120, 7936, 9920, 10240, 12569, 15872, 19840, 20480, 25138, 31744, 39680, 50276, 62845, 63488, 79360, 100552, 125690, 126976, 158720, 201104, 251380, 317440, 389639, 402208, 502760, 634880, 779278, 804416, 1005520, 1558556, 1608832, 1948195, 2011040, 3117112, 3217664, 3896390, 4022080, 6234224, 6435328, 7792780, 8044160, 12468448, 12870656, 15585560, 16088320, 24936896, 25741312, 31171120, 32176640, 49873792, 51482624, 62342240, 64353280, 99747584, 124684480, 128706560, 199495168, 249368960, 257413120, 398990336, 498737920, 797980672, 997475840, 1595961344, 1994951680, 3989903360, 7979806720]

約数ペア:

[(1, 7979806720), (2, 3989903360), (4, 1994951680), (5, 1595961344), (8, 997475840), (10, 797980672), (16, 498737920), (20, 398990336), (31, 257413120), (32, 249368960), (40, 199495168), (62, 128706560), (64, 124684480), (80, 99747584), (124, 64353280), (128, 62342240), (155, 51482624), (160, 49873792), (248, 32176640), (256, 31171120), (310, 25741312), (320, 24936896), (496, 16088320), (512, 15585560), (620, 12870656), (640, 12468448), (992, 8044160), (1024, 7792780), (1240, 6435328), (1280, 6234224), (1984, 4022080), (2048, 3896390), (2480, 3217664), (2560, 3117112), (3968, 2011040), (4096, 1948195), (4960, 1608832), (5120, 1558556), (7936, 1005520), (9920, 804416), (10240, 779278), (12569, 634880), (15872, 502760), (19840, 402208), (20480, 389639), (25138, 317440), (31744, 251380), (39680, 201104), (50276, 158720), (62845, 126976), (63488, 125690), (79360, 100552)]