39753980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283957}}^1$

素因数の和:283973

約数の個数: 24

約数和(自身を含む): 95409888

約数和(自身を除く): 55655908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283957, 567914, 1135828, 1419785, 1987699, 2839570, 3975398, 5679140, 7950796, 9938495, 19876990, 39753980]

約数ペア:

[(1, 39753980), (2, 19876990), (4, 9938495), (5, 7950796), (7, 5679140), (10, 3975398), (14, 2839570), (20, 1987699), (28, 1419785), (35, 1135828), (70, 567914), (140, 283957)]