12768220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 28703808

約数和(自身を除く): 15935588

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 677, 820, 943, 1354, 1886, 2708, 3385, 3772, 4715, 6770, 9430, 13540, 15571, 18860, 27757, 31142, 55514, 62284, 77855, 111028, 138785, 155710, 277570, 311420, 555140, 638411, 1276822, 2553644, 3192055, 6384110, 12768220]

約数ペア:

[(1, 12768220), (2, 6384110), (4, 3192055), (5, 2553644), (10, 1276822), (20, 638411), (23, 555140), (41, 311420), (46, 277570), (82, 155710), (92, 138785), (115, 111028), (164, 77855), (205, 62284), (230, 55514), (410, 31142), (460, 27757), (677, 18860), (820, 15571), (943, 13540), (1354, 9430), (1886, 6770), (2708, 4715), (3385, 3772)]