159353960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{65309}}^1$

素因数の和:65381

約数の個数: 32

約数和(自身を含む): 364429800

約数和(自身を除く): 205075840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 65309, 130618, 261236, 326545, 522472, 653090, 1306180, 2612360, 3983849, 7967698, 15935396, 19919245, 31870792, 39838490, 79676980, 159353960]

約数ペア:

[(1, 159353960), (2, 79676980), (4, 39838490), (5, 31870792), (8, 19919245), (10, 15935396), (20, 7967698), (40, 3983849), (61, 2612360), (122, 1306180), (244, 653090), (305, 522472), (488, 326545), (610, 261236), (1220, 130618), (2440, 65309)]