88321160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 203886720

約数和(自身を除く): 115565560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 137, 142, 227, 274, 284, 355, 454, 548, 568, 685, 710, 908, 1096, 1135, 1370, 1420, 1816, 2270, 2740, 2840, 4540, 5480, 9080, 9727, 16117, 19454, 31099, 32234, 38908, 48635, 62198, 64468, 77816, 80585, 97270, 124396, 128936, 155495, 161170, 194540, 248792, 310990, 322340, 389080, 621980, 644680, 1243960, 2208029, 4416058, 8832116, 11040145, 17664232, 22080290, 44160580, 88321160]

約数ペア:

[(1, 88321160), (2, 44160580), (4, 22080290), (5, 17664232), (8, 11040145), (10, 8832116), (20, 4416058), (40, 2208029), (71, 1243960), (137, 644680), (142, 621980), (227, 389080), (274, 322340), (284, 310990), (355, 248792), (454, 194540), (548, 161170), (568, 155495), (685, 128936), (710, 124396), (908, 97270), (1096, 80585), (1135, 77816), (1370, 64468), (1420, 62198), (1816, 48635), (2270, 38908), (2740, 32234), (2840, 31099), (4540, 19454), (5480, 16117), (9080, 9727)]