189300080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{38791}}^1$

素因数の和:38865

約数の個数: 40

約数和(自身を含む): 447349344

約数和(自身を除く): 258049264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 38791, 77582, 155164, 193955, 310328, 387910, 620656, 775820, 1551640, 2366251, 3103280, 4732502, 9465004, 11831255, 18930008, 23662510, 37860016, 47325020, 94650040, 189300080]

約数ペア:

[(1, 189300080), (2, 94650040), (4, 47325020), (5, 37860016), (8, 23662510), (10, 18930008), (16, 11831255), (20, 9465004), (40, 4732502), (61, 3103280), (80, 2366251), (122, 1551640), (244, 775820), (305, 620656), (488, 387910), (610, 310328), (976, 193955), (1220, 155164), (2440, 77582), (4880, 38791)]