67428880

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1279}}^1$

素因数の和:1951

約数の個数: 40

約数和(自身を含む): 157132800

約数和(自身を除く): 89703920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1279, 1318, 2558, 2636, 3295, 5116, 5272, 6395, 6590, 10232, 10544, 12790, 13180, 20464, 25580, 26360, 51160, 52720, 102320, 842861, 1685722, 3371444, 4214305, 6742888, 8428610, 13485776, 16857220, 33714440, 67428880]

約数ペア:

[(1, 67428880), (2, 33714440), (4, 16857220), (5, 13485776), (8, 8428610), (10, 6742888), (16, 4214305), (20, 3371444), (40, 1685722), (80, 842861), (659, 102320), (1279, 52720), (1318, 51160), (2558, 26360), (2636, 25580), (3295, 20464), (5116, 13180), (5272, 12790), (6395, 10544), (6590, 10232)]