129929680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52391}}^1$

素因数の和:52435

約数の個数: 40

約数和(自身を含む): 311837184

約数和(自身を除く): 181907504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52391, 104782, 209564, 261955, 419128, 523910, 838256, 1047820, 1624121, 2095640, 3248242, 4191280, 6496484, 8120605, 12992968, 16241210, 25985936, 32482420, 64964840, 129929680]

約数ペア:

[(1, 129929680), (2, 64964840), (4, 32482420), (5, 25985936), (8, 16241210), (10, 12992968), (16, 8120605), (20, 6496484), (31, 4191280), (40, 3248242), (62, 2095640), (80, 1624121), (124, 1047820), (155, 838256), (248, 523910), (310, 419128), (496, 261955), (620, 209564), (1240, 104782), (2480, 52391)]