61115920

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2819}}^1$

素因数の和:3103

約数の個数: 40

約数和(自身を含む): 142669440

約数和(自身を除く): 81553520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 2819, 4336, 5420, 5638, 10840, 11276, 14095, 21680, 22552, 28190, 45104, 56380, 112760, 225520, 763949, 1527898, 3055796, 3819745, 6111592, 7639490, 12223184, 15278980, 30557960, 61115920]

約数ペア:

[(1, 61115920), (2, 30557960), (4, 15278980), (5, 12223184), (8, 7639490), (10, 6111592), (16, 3819745), (20, 3055796), (40, 1527898), (80, 763949), (271, 225520), (542, 112760), (1084, 56380), (1355, 45104), (2168, 28190), (2710, 22552), (2819, 21680), (4336, 14095), (5420, 11276), (5638, 10840)]