90573320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73043}}^1$

素因数の和:73085

約数の個数: 32

約数和(自身を含む): 210366720

約数和(自身を除く): 119793400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 73043, 146086, 292172, 365215, 584344, 730430, 1460860, 2264333, 2921720, 4528666, 9057332, 11321665, 18114664, 22643330, 45286660, 90573320]

約数ペア:

[(1, 90573320), (2, 45286660), (4, 22643330), (5, 18114664), (8, 11321665), (10, 9057332), (20, 4528666), (31, 2921720), (40, 2264333), (62, 1460860), (124, 730430), (155, 584344), (248, 365215), (310, 292172), (620, 146086), (1240, 73043)]