664584160

素因数分解:

$2^5\times 5^1\times {\mathrm{317}}^1\times {\mathrm{13103}}^1$

素因数の和:13435

約数の個数: 48

約数和(自身を含む): 1575153216

約数和(自身を除く): 910569056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 317, 634, 1268, 1585, 2536, 3170, 5072, 6340, 10144, 12680, 13103, 25360, 26206, 50720, 52412, 65515, 104824, 131030, 209648, 262060, 419296, 524120, 1048240, 2096480, 4153651, 8307302, 16614604, 20768255, 33229208, 41536510, 66458416, 83073020, 132916832, 166146040, 332292080, 664584160]

約数ペア:

[(1, 664584160), (2, 332292080), (4, 166146040), (5, 132916832), (8, 83073020), (10, 66458416), (16, 41536510), (20, 33229208), (32, 20768255), (40, 16614604), (80, 8307302), (160, 4153651), (317, 2096480), (634, 1048240), (1268, 524120), (1585, 419296), (2536, 262060), (3170, 209648), (5072, 131030), (6340, 104824), (10144, 65515), (12680, 52412), (13103, 50720), (25360, 26206)]