4121240

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 9337680

約数和(自身を除く): 5216440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 523, 788, 985, 1046, 1576, 1970, 2092, 2615, 3940, 4184, 5230, 7880, 10460, 20920, 103031, 206062, 412124, 515155, 824248, 1030310, 2060620, 4121240]

約数ペア:

[(1, 4121240), (2, 2060620), (4, 1030310), (5, 824248), (8, 515155), (10, 412124), (20, 206062), (40, 103031), (197, 20920), (394, 10460), (523, 7880), (788, 5230), (985, 4184), (1046, 3940), (1576, 2615), (1970, 2092)]