39811780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 87635520

約数和(自身を除く): 47823740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 415, 580, 827, 830, 1654, 1660, 2407, 3308, 4135, 4814, 8270, 9628, 12035, 16540, 23983, 24070, 47966, 48140, 68641, 95932, 119915, 137282, 239830, 274564, 343205, 479660, 686410, 1372820, 1990589, 3981178, 7962356, 9952945, 19905890, 39811780]

約数ペア:

[(1, 39811780), (2, 19905890), (4, 9952945), (5, 7962356), (10, 3981178), (20, 1990589), (29, 1372820), (58, 686410), (83, 479660), (116, 343205), (145, 274564), (166, 239830), (290, 137282), (332, 119915), (415, 95932), (580, 68641), (827, 48140), (830, 47966), (1654, 24070), (1660, 23983), (2407, 16540), (3308, 12035), (4135, 9628), (4814, 8270)]