25617640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 61799760

約数和(自身を除く): 36182120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 373, 404, 505, 680, 746, 808, 1010, 1492, 1717, 1865, 2020, 2984, 3434, 3730, 4040, 6341, 6868, 7460, 8585, 12682, 13736, 14920, 17170, 25364, 31705, 34340, 37673, 50728, 63410, 68680, 75346, 126820, 150692, 188365, 253640, 301384, 376730, 640441, 753460, 1280882, 1506920, 2561764, 3202205, 5123528, 6404410, 12808820, 25617640]

約数ペア:

[(1, 25617640), (2, 12808820), (4, 6404410), (5, 5123528), (8, 3202205), (10, 2561764), (17, 1506920), (20, 1280882), (34, 753460), (40, 640441), (68, 376730), (85, 301384), (101, 253640), (136, 188365), (170, 150692), (202, 126820), (340, 75346), (373, 68680), (404, 63410), (505, 50728), (680, 37673), (746, 34340), (808, 31705), (1010, 25364), (1492, 17170), (1717, 14920), (1865, 13736), (2020, 12682), (2984, 8585), (3434, 7460), (3730, 6868), (4040, 6341)]