7939988750

素因数分解:

$2^1\times 5^4\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1215

約数の個数: 80

約数和(自身を含む): 15291280224

約数和(自身を除く): 7351291474

約数列:

[1, 2, 5, 10, 25, 50, 61, 101, 122, 125, 202, 250, 305, 505, 610, 625, 1010, 1031, 1250, 1525, 2062, 2525, 3050, 5050, 5155, 6161, 7625, 10310, 12322, 12625, 15250, 25250, 25775, 30805, 38125, 51550, 61610, 62891, 63125, 76250, 104131, 125782, 126250, 128875, 154025, 208262, 257750, 308050, 314455, 520655, 628910, 644375, 770125, 1041310, 1288750, 1540250, 1572275, 2603275, 3144550, 3850625, 5206550, 6351991, 7701250, 7861375, 12703982, 13016375, 15722750, 26032750, 31759955, 39306875, 63519910, 65081875, 78613750, 130163750, 158799775, 317599550, 793998875, 1587997750, 3969994375, 7939988750]

約数ペア:

[(1, 7939988750), (2, 3969994375), (5, 1587997750), (10, 793998875), (25, 317599550), (50, 158799775), (61, 130163750), (101, 78613750), (122, 65081875), (125, 63519910), (202, 39306875), (250, 31759955), (305, 26032750), (505, 15722750), (610, 13016375), (625, 12703982), (1010, 7861375), (1031, 7701250), (1250, 6351991), (1525, 5206550), (2062, 3850625), (2525, 3144550), (3050, 2603275), (5050, 1572275), (5155, 1540250), (6161, 1288750), (7625, 1041310), (10310, 770125), (12322, 644375), (12625, 628910), (15250, 520655), (25250, 314455), (25775, 308050), (30805, 257750), (38125, 208262), (51550, 154025), (61610, 128875), (62891, 126250), (63125, 125782), (76250, 104131)]