4043980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{839}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 8537760

約数和(自身を除く): 4493780

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 839, 964, 1205, 1678, 2410, 3356, 4195, 4820, 8390, 16780, 202199, 404398, 808796, 1010995, 2021990, 4043980]

約数ペア:

[(1, 4043980), (2, 2021990), (4, 1010995), (5, 808796), (10, 404398), (20, 202199), (241, 16780), (482, 8390), (839, 4820), (964, 4195), (1205, 3356), (1678, 2410)]