64626940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14891}}^1$

素因数の和:14938

約数の個数: 48

約数和(自身を含む): 160118784

約数和(自身を除く): 95491844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 14891, 29782, 59564, 74455, 104237, 148910, 208474, 297820, 416948, 461621, 521185, 923242, 1042370, 1846484, 2084740, 2308105, 3231347, 4616210, 6462694, 9232420, 12925388, 16156735, 32313470, 64626940]

約数ペア:

[(1, 64626940), (2, 32313470), (4, 16156735), (5, 12925388), (7, 9232420), (10, 6462694), (14, 4616210), (20, 3231347), (28, 2308105), (31, 2084740), (35, 1846484), (62, 1042370), (70, 923242), (124, 521185), (140, 461621), (155, 416948), (217, 297820), (310, 208474), (434, 148910), (620, 104237), (868, 74455), (1085, 59564), (2170, 29782), (4340, 14891)]