31982360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 75600000

約数和(自身を除く): 43617640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 232, 290, 316, 349, 395, 580, 632, 698, 790, 1160, 1396, 1580, 1745, 2291, 2792, 3160, 3490, 4582, 6980, 9164, 10121, 11455, 13960, 18328, 20242, 22910, 27571, 40484, 45820, 50605, 55142, 80968, 91640, 101210, 110284, 137855, 202420, 220568, 275710, 404840, 551420, 799559, 1102840, 1599118, 3198236, 3997795, 6396472, 7995590, 15991180, 31982360]

約数ペア:

[(1, 31982360), (2, 15991180), (4, 7995590), (5, 6396472), (8, 3997795), (10, 3198236), (20, 1599118), (29, 1102840), (40, 799559), (58, 551420), (79, 404840), (116, 275710), (145, 220568), (158, 202420), (232, 137855), (290, 110284), (316, 101210), (349, 91640), (395, 80968), (580, 55142), (632, 50605), (698, 45820), (790, 40484), (1160, 27571), (1396, 22910), (1580, 20242), (1745, 18328), (2291, 13960), (2792, 11455), (3160, 10121), (3490, 9164), (4582, 6980)]