79962020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128971}}^1$

素因数の和:129011

約数の個数: 24

約数和(自身を含む): 173338368

約数和(自身を除く): 93376348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 128971, 257942, 515884, 644855, 1289710, 2579420, 3998101, 7996202, 15992404, 19990505, 39981010, 79962020]

約数ペア:

[(1, 79962020), (2, 39981010), (4, 19990505), (5, 15992404), (10, 7996202), (20, 3998101), (31, 2579420), (62, 1289710), (124, 644855), (155, 515884), (310, 257942), (620, 128971)]