38491480

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1847}}^1$

素因数の和:2379

約数の個数: 32

約数和(自身を含む): 86819040

約数和(自身を除く): 48327560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 1847, 2084, 2605, 3694, 4168, 5210, 7388, 9235, 10420, 14776, 18470, 20840, 36940, 73880, 962287, 1924574, 3849148, 4811435, 7698296, 9622870, 19245740, 38491480]

約数ペア:

[(1, 38491480), (2, 19245740), (4, 9622870), (5, 7698296), (8, 4811435), (10, 3849148), (20, 1924574), (40, 962287), (521, 73880), (1042, 36940), (1847, 20840), (2084, 18470), (2605, 14776), (3694, 10420), (4168, 9235), (5210, 7388)]