5112880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:901

約数の個数: 40

約数和(自身を含む): 12052800

約数和(自身を除く): 6939920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 809, 1264, 1580, 1618, 3160, 3236, 4045, 6320, 6472, 8090, 12944, 16180, 32360, 63911, 64720, 127822, 255644, 319555, 511288, 639110, 1022576, 1278220, 2556440, 5112880]

約数ペア:

[(1, 5112880), (2, 2556440), (4, 1278220), (5, 1022576), (8, 639110), (10, 511288), (16, 319555), (20, 255644), (40, 127822), (79, 64720), (80, 63911), (158, 32360), (316, 16180), (395, 12944), (632, 8090), (790, 6472), (809, 6320), (1264, 4045), (1580, 3236), (1618, 3160)]