76656560

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1481}}^1$

素因数の和:2141

約数の個数: 40

約数和(自身を含む): 178622496

約数和(自身を除く): 101965936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 1481, 2588, 2962, 3235, 5176, 5924, 6470, 7405, 10352, 11848, 12940, 14810, 23696, 25880, 29620, 51760, 59240, 118480, 958207, 1916414, 3832828, 4791035, 7665656, 9582070, 15331312, 19164140, 38328280, 76656560]

約数ペア:

[(1, 76656560), (2, 38328280), (4, 19164140), (5, 15331312), (8, 9582070), (10, 7665656), (16, 4791035), (20, 3832828), (40, 1916414), (80, 958207), (647, 118480), (1294, 59240), (1481, 51760), (2588, 29620), (2962, 25880), (3235, 23696), (5176, 14810), (5924, 12940), (6470, 11848), (7405, 10352)]