100202980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{20789}}^1$

素因数の和:21039

約数の個数: 24

約数和(自身を含む): 211309560

約数和(自身を除く): 111106580

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 20789, 41578, 83156, 103945, 207890, 415780, 5010149, 10020298, 20040596, 25050745, 50101490, 100202980]

約数ペア:

[(1, 100202980), (2, 50101490), (4, 25050745), (5, 20040596), (10, 10020298), (20, 5010149), (241, 415780), (482, 207890), (964, 103945), (1205, 83156), (2410, 41578), (4820, 20789)]