87798620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2587

約数の個数: 96

約数和(自身を含む): 238963200

約数和(自身を除く): 151164580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2539, 2660, 3458, 4940, 5078, 6916, 8645, 10156, 12695, 17290, 17773, 25390, 33007, 34580, 35546, 48241, 50780, 66014, 71092, 88865, 96482, 132028, 165035, 177730, 192964, 231049, 241205, 330070, 337687, 355460, 462098, 482410, 627133, 660140, 675374, 924196, 964820, 1155245, 1254266, 1350748, 1688435, 2310490, 2508532, 3135665, 3376870, 4389931, 4620980, 6271330, 6753740, 8779862, 12542660, 17559724, 21949655, 43899310, 87798620]

約数ペア:

[(1, 87798620), (2, 43899310), (4, 21949655), (5, 17559724), (7, 12542660), (10, 8779862), (13, 6753740), (14, 6271330), (19, 4620980), (20, 4389931), (26, 3376870), (28, 3135665), (35, 2508532), (38, 2310490), (52, 1688435), (65, 1350748), (70, 1254266), (76, 1155245), (91, 964820), (95, 924196), (130, 675374), (133, 660140), (140, 627133), (182, 482410), (190, 462098), (247, 355460), (260, 337687), (266, 330070), (364, 241205), (380, 231049), (455, 192964), (494, 177730), (532, 165035), (665, 132028), (910, 96482), (988, 88865), (1235, 71092), (1330, 66014), (1729, 50780), (1820, 48241), (2470, 35546), (2539, 34580), (2660, 33007), (3458, 25390), (4940, 17773), (5078, 17290), (6916, 12695), (8645, 10156)]