64115920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72859}}^1$

素因数の和:72883

約数の個数: 40

約数和(自身を含む): 162623520

約数和(自身を除く): 98507600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 72859, 145718, 291436, 364295, 582872, 728590, 801449, 1165744, 1457180, 1602898, 2914360, 3205796, 4007245, 5828720, 6411592, 8014490, 12823184, 16028980, 32057960, 64115920]

約数ペア:

[(1, 64115920), (2, 32057960), (4, 16028980), (5, 12823184), (8, 8014490), (10, 6411592), (11, 5828720), (16, 4007245), (20, 3205796), (22, 2914360), (40, 1602898), (44, 1457180), (55, 1165744), (80, 801449), (88, 728590), (110, 582872), (176, 364295), (220, 291436), (440, 145718), (880, 72859)]