156923240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{126551}}^1$

素因数の和:126593

約数の個数: 32

約数和(自身を含む): 364469760

約数和(自身を除く): 207546520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 126551, 253102, 506204, 632755, 1012408, 1265510, 2531020, 3923081, 5062040, 7846162, 15692324, 19615405, 31384648, 39230810, 78461620, 156923240]

約数ペア:

[(1, 156923240), (2, 78461620), (4, 39230810), (5, 31384648), (8, 19615405), (10, 15692324), (20, 7846162), (31, 5062040), (40, 3923081), (62, 2531020), (124, 1265510), (155, 1012408), (248, 632755), (310, 506204), (620, 253102), (1240, 126551)]