25464020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 56114688

約数和(自身を除く): 30650668

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 613, 620, 670, 1226, 1340, 2077, 2452, 3065, 4154, 6130, 8308, 10385, 12260, 19003, 20770, 38006, 41071, 41540, 76012, 82142, 95015, 164284, 190030, 205355, 380060, 410710, 821420, 1273201, 2546402, 5092804, 6366005, 12732010, 25464020]

約数ペア:

[(1, 25464020), (2, 12732010), (4, 6366005), (5, 5092804), (10, 2546402), (20, 1273201), (31, 821420), (62, 410710), (67, 380060), (124, 205355), (134, 190030), (155, 164284), (268, 95015), (310, 82142), (335, 76012), (613, 41540), (620, 41071), (670, 38006), (1226, 20770), (1340, 19003), (2077, 12260), (2452, 10385), (3065, 8308), (4154, 6130)]