27953320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22543}}^1$

素因数の和:22585

約数の個数: 32

約数和(自身を含む): 64926720

約数和(自身を除く): 36973400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22543, 45086, 90172, 112715, 180344, 225430, 450860, 698833, 901720, 1397666, 2795332, 3494165, 5590664, 6988330, 13976660, 27953320]

約数ペア:

[(1, 27953320), (2, 13976660), (4, 6988330), (5, 5590664), (8, 3494165), (10, 2795332), (20, 1397666), (31, 901720), (40, 698833), (62, 450860), (124, 225430), (155, 180344), (248, 112715), (310, 90172), (620, 45086), (1240, 22543)]