19674850880

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1\times {\mathrm{239237}}^1$

素因数の和:239511

約数の個数: 56

約数和(自身を含む): 47033233848

約数和(自身を除く): 27358382968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 257, 320, 514, 1028, 1285, 2056, 2570, 4112, 5140, 8224, 10280, 16448, 20560, 41120, 82240, 239237, 478474, 956948, 1196185, 1913896, 2392370, 3827792, 4784740, 7655584, 9569480, 15311168, 19138960, 38277920, 61483909, 76555840, 122967818, 245935636, 307419545, 491871272, 614839090, 983742544, 1229678180, 1967485088, 2459356360, 3934970176, 4918712720, 9837425440, 19674850880]

約数ペア:

[(1, 19674850880), (2, 9837425440), (4, 4918712720), (5, 3934970176), (8, 2459356360), (10, 1967485088), (16, 1229678180), (20, 983742544), (32, 614839090), (40, 491871272), (64, 307419545), (80, 245935636), (160, 122967818), (257, 76555840), (320, 61483909), (514, 38277920), (1028, 19138960), (1285, 15311168), (2056, 9569480), (2570, 7655584), (4112, 4784740), (5140, 3827792), (8224, 2392370), (10280, 1913896), (16448, 1196185), (20560, 956948), (41120, 478474), (82240, 239237)]