2012201320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1622743}}^1$

素因数の和:1622785

約数の個数: 32

約数和(自身を含む): 4673502720

約数和(自身を除く): 2661301400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1622743, 3245486, 6490972, 8113715, 12981944, 16227430, 32454860, 50305033, 64909720, 100610066, 201220132, 251525165, 402440264, 503050330, 1006100660, 2012201320]

約数ペア:

[(1, 2012201320), (2, 1006100660), (4, 503050330), (5, 402440264), (8, 251525165), (10, 201220132), (20, 100610066), (31, 64909720), (40, 50305033), (62, 32454860), (124, 16227430), (155, 12981944), (248, 8113715), (310, 6490972), (620, 3245486), (1240, 1622743)]