156969246760

素因数分解:

$2^3\times 5^1\times {\mathrm{31189}}^1\times {\mathrm{125821}}^1$

素因数の和:157021

約数の個数: 32

約数和(自身を含む): 353194936200

約数和(自身を除く): 196225689440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31189, 62378, 124756, 125821, 155945, 249512, 251642, 311890, 503284, 623780, 629105, 1006568, 1247560, 1258210, 2516420, 5032840, 3924231169, 7848462338, 15696924676, 19621155845, 31393849352, 39242311690, 78484623380, 156969246760]

約数ペア:

[(1, 156969246760), (2, 78484623380), (4, 39242311690), (5, 31393849352), (8, 19621155845), (10, 15696924676), (20, 7848462338), (40, 3924231169), (31189, 5032840), (62378, 2516420), (124756, 1258210), (125821, 1247560), (155945, 1006568), (249512, 629105), (251642, 623780), (311890, 503284)]