4002100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1336

約数の個数: 36

約数和(自身を含む): 8971648

約数和(自身を除く): 4969548

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1291, 1550, 2582, 3100, 5164, 6455, 12910, 25820, 32275, 40021, 64550, 80042, 129100, 160084, 200105, 400210, 800420, 1000525, 2001050, 4002100]

約数ペア:

[(1, 4002100), (2, 2001050), (4, 1000525), (5, 800420), (10, 400210), (20, 200105), (25, 160084), (31, 129100), (50, 80042), (62, 64550), (100, 40021), (124, 32275), (155, 25820), (310, 12910), (620, 6455), (775, 5164), (1291, 3100), (1550, 2582)]