31896020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1831}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 73250688

約数和(自身を除く): 41354668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 1831, 3484, 3662, 4355, 7324, 8710, 9155, 17420, 18310, 23803, 36620, 47606, 95212, 119015, 122677, 238030, 245354, 476060, 490708, 613385, 1226770, 1594801, 2453540, 3189602, 6379204, 7974005, 15948010, 31896020]

約数ペア:

[(1, 31896020), (2, 15948010), (4, 7974005), (5, 6379204), (10, 3189602), (13, 2453540), (20, 1594801), (26, 1226770), (52, 613385), (65, 490708), (67, 476060), (130, 245354), (134, 238030), (260, 122677), (268, 119015), (335, 95212), (670, 47606), (871, 36620), (1340, 23803), (1742, 18310), (1831, 17420), (3484, 9155), (3662, 8710), (4355, 7324)]