65188040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52571}}^1$

素因数の和:52613

約数の個数: 32

約数和(自身を含む): 151407360

約数和(自身を除く): 86219320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 52571, 105142, 210284, 262855, 420568, 525710, 1051420, 1629701, 2102840, 3259402, 6518804, 8148505, 13037608, 16297010, 32594020, 65188040]

約数ペア:

[(1, 65188040), (2, 32594020), (4, 16297010), (5, 13037608), (8, 8148505), (10, 6518804), (20, 3259402), (31, 2102840), (40, 1629701), (62, 1051420), (124, 525710), (155, 420568), (248, 262855), (310, 210284), (620, 105142), (1240, 52571)]