25602220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7951}}^1$

素因数の和:7990

約数の個数: 48

約数和(自身を含む): 64124928

約数和(自身を除く): 38522708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 7951, 15902, 31804, 39755, 55657, 79510, 111314, 159020, 182873, 222628, 278285, 365746, 556570, 731492, 914365, 1113140, 1280111, 1828730, 2560222, 3657460, 5120444, 6400555, 12801110, 25602220]

約数ペア:

[(1, 25602220), (2, 12801110), (4, 6400555), (5, 5120444), (7, 3657460), (10, 2560222), (14, 1828730), (20, 1280111), (23, 1113140), (28, 914365), (35, 731492), (46, 556570), (70, 365746), (92, 278285), (115, 222628), (140, 182873), (161, 159020), (230, 111314), (322, 79510), (460, 55657), (644, 39755), (805, 31804), (1610, 15902), (3220, 7951)]