83662640

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3299}}^1$

素因数の和:3629

約数の個数: 40

約数和(自身を含む): 195188400

約数和(自身を除く): 111525760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 3299, 5072, 6340, 6598, 12680, 13196, 16495, 25360, 26392, 32990, 52784, 65980, 131960, 263920, 1045783, 2091566, 4183132, 5228915, 8366264, 10457830, 16732528, 20915660, 41831320, 83662640]

約数ペア:

[(1, 83662640), (2, 41831320), (4, 20915660), (5, 16732528), (8, 10457830), (10, 8366264), (16, 5228915), (20, 4183132), (40, 2091566), (80, 1045783), (317, 263920), (634, 131960), (1268, 65980), (1585, 52784), (2536, 32990), (3170, 26392), (3299, 25360), (5072, 16495), (6340, 13196), (6598, 12680)]