31343680

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2389}}^1$

素因数の和:2447

約数の個数: 56

約数和(自身を含む): 76489560

約数和(自身を除く): 45145880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2389, 2624, 3280, 4778, 6560, 9556, 11945, 13120, 19112, 23890, 38224, 47780, 76448, 95560, 97949, 152896, 191120, 195898, 382240, 391796, 489745, 764480, 783592, 979490, 1567184, 1958980, 3134368, 3917960, 6268736, 7835920, 15671840, 31343680]

約数ペア:

[(1, 31343680), (2, 15671840), (4, 7835920), (5, 6268736), (8, 3917960), (10, 3134368), (16, 1958980), (20, 1567184), (32, 979490), (40, 783592), (41, 764480), (64, 489745), (80, 391796), (82, 382240), (160, 195898), (164, 191120), (205, 152896), (320, 97949), (328, 95560), (410, 76448), (656, 47780), (820, 38224), (1312, 23890), (1640, 19112), (2389, 13120), (2624, 11945), (3280, 9556), (4778, 6560)]