31564450

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 60888960

約数和(自身を除く): 29324510

約数列:

[1, 2, 5, 10, 25, 50, 61, 79, 122, 131, 158, 262, 305, 395, 610, 655, 790, 1310, 1525, 1975, 3050, 3275, 3950, 4819, 6550, 7991, 9638, 10349, 15982, 20698, 24095, 39955, 48190, 51745, 79910, 103490, 120475, 199775, 240950, 258725, 399550, 517450, 631289, 1262578, 3156445, 6312890, 15782225, 31564450]

約数ペア:

[(1, 31564450), (2, 15782225), (5, 6312890), (10, 3156445), (25, 1262578), (50, 631289), (61, 517450), (79, 399550), (122, 258725), (131, 240950), (158, 199775), (262, 120475), (305, 103490), (395, 79910), (610, 51745), (655, 48190), (790, 39955), (1310, 24095), (1525, 20698), (1975, 15982), (3050, 10349), (3275, 9638), (3950, 7991), (4819, 6550)]