71358457580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{58490539}}^1$

素因数の和:58490609

約数の個数: 24

約数和(自身を含む): 152309366160

約数和(自身を除く): 80950908580

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 58490539, 116981078, 233962156, 292452695, 584905390, 1169810780, 3567922879, 7135845758, 14271691516, 17839614395, 35679228790, 71358457580]

約数ペア:

[(1, 71358457580), (2, 35679228790), (4, 17839614395), (5, 14271691516), (10, 7135845758), (20, 3567922879), (61, 1169810780), (122, 584905390), (244, 292452695), (305, 233962156), (610, 116981078), (1220, 58490539)]