7760440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1481}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 17606160

約数和(自身を除く): 9845720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 1481, 2620, 2962, 5240, 5924, 7405, 11848, 14810, 29620, 59240, 194011, 388022, 776044, 970055, 1552088, 1940110, 3880220, 7760440]

約数ペア:

[(1, 7760440), (2, 3880220), (4, 1940110), (5, 1552088), (8, 970055), (10, 776044), (20, 388022), (40, 194011), (131, 59240), (262, 29620), (524, 14810), (655, 11848), (1048, 7405), (1310, 5924), (1481, 5240), (2620, 2962)]