25630180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 56480256

約数和(自身を除く): 30850076

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 617, 620, 670, 1234, 1340, 2077, 2468, 3085, 4154, 6170, 8308, 10385, 12340, 19127, 20770, 38254, 41339, 41540, 76508, 82678, 95635, 165356, 191270, 206695, 382540, 413390, 826780, 1281509, 2563018, 5126036, 6407545, 12815090, 25630180]

約数ペア:

[(1, 25630180), (2, 12815090), (4, 6407545), (5, 5126036), (10, 2563018), (20, 1281509), (31, 826780), (62, 413390), (67, 382540), (124, 206695), (134, 191270), (155, 165356), (268, 95635), (310, 82678), (335, 76508), (617, 41540), (620, 41339), (670, 38254), (1234, 20770), (1340, 19127), (2077, 12340), (2468, 10385), (3085, 8308), (4154, 6170)]