4028996840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3739}}^1$

素因数の和:3871

約数の個数: 128

約数和(自身を含む): 10340352000

約数和(自身を除く): 6311355160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 79, 88, 110, 124, 155, 158, 220, 248, 310, 316, 341, 395, 440, 620, 632, 682, 790, 869, 1240, 1364, 1580, 1705, 1738, 2449, 2728, 3160, 3410, 3476, 3739, 4345, 4898, 6820, 6952, 7478, 8690, 9796, 12245, 13640, 14956, 17380, 18695, 19592, 24490, 26939, 29912, 34760, 37390, 41129, 48980, 53878, 74780, 82258, 97960, 107756, 115909, 134695, 149560, 164516, 205645, 215512, 231818, 269390, 295381, 329032, 411290, 463636, 538780, 579545, 590762, 822580, 927272, 1077560, 1159090, 1181524, 1274999, 1476905, 1645160, 2318180, 2363048, 2549998, 2953810, 3249191, 4636360, 5099996, 5907620, 6374995, 6498382, 9156811, 10199992, 11815240, 12749990, 12996764, 16245955, 18313622, 25499980, 25993528, 32491910, 36627244, 45784055, 50999960, 64983820, 73254488, 91568110, 100724921, 129967640, 183136220, 201449842, 366272440, 402899684, 503624605, 805799368, 1007249210, 2014498420, 4028996840]

約数ペア:

[(1, 4028996840), (2, 2014498420), (4, 1007249210), (5, 805799368), (8, 503624605), (10, 402899684), (11, 366272440), (20, 201449842), (22, 183136220), (31, 129967640), (40, 100724921), (44, 91568110), (55, 73254488), (62, 64983820), (79, 50999960), (88, 45784055), (110, 36627244), (124, 32491910), (155, 25993528), (158, 25499980), (220, 18313622), (248, 16245955), (310, 12996764), (316, 12749990), (341, 11815240), (395, 10199992), (440, 9156811), (620, 6498382), (632, 6374995), (682, 5907620), (790, 5099996), (869, 4636360), (1240, 3249191), (1364, 2953810), (1580, 2549998), (1705, 2363048), (1738, 2318180), (2449, 1645160), (2728, 1476905), (3160, 1274999), (3410, 1181524), (3476, 1159090), (3739, 1077560), (4345, 927272), (4898, 822580), (6820, 590762), (6952, 579545), (7478, 538780), (8690, 463636), (9796, 411290), (12245, 329032), (13640, 295381), (14956, 269390), (17380, 231818), (18695, 215512), (19592, 205645), (24490, 164516), (26939, 149560), (29912, 134695), (34760, 115909), (37390, 107756), (41129, 97960), (48980, 82258), (53878, 74780)]