201440840

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{4091}}^1$

素因数の和:5333

約数の個数: 32

約数和(自身を含む): 453720960

約数和(自身を除く): 252280120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 2462, 4091, 4924, 6155, 8182, 9848, 12310, 16364, 20455, 24620, 32728, 40910, 49240, 81820, 163640, 5036021, 10072042, 20144084, 25180105, 40288168, 50360210, 100720420, 201440840]

約数ペア:

[(1, 201440840), (2, 100720420), (4, 50360210), (5, 40288168), (8, 25180105), (10, 20144084), (20, 10072042), (40, 5036021), (1231, 163640), (2462, 81820), (4091, 49240), (4924, 40910), (6155, 32728), (8182, 24620), (9848, 20455), (12310, 16364)]