15990650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 32565624

約数和(自身を除く): 16574974

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 130, 146, 325, 337, 365, 650, 674, 730, 949, 1685, 1825, 1898, 3370, 3650, 4381, 4745, 8425, 8762, 9490, 16850, 21905, 23725, 24601, 43810, 47450, 49202, 109525, 123005, 219050, 246010, 319813, 615025, 639626, 1230050, 1599065, 3198130, 7995325, 15990650]

約数ペア:

[(1, 15990650), (2, 7995325), (5, 3198130), (10, 1599065), (13, 1230050), (25, 639626), (26, 615025), (50, 319813), (65, 246010), (73, 219050), (130, 123005), (146, 109525), (325, 49202), (337, 47450), (365, 43810), (650, 24601), (674, 23725), (730, 21905), (949, 16850), (1685, 9490), (1825, 8762), (1898, 8425), (3370, 4745), (3650, 4381)]