90039760

素因数分解:

$2^4\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1523}}^1$

素因数の和:2275

約数の個数: 40

約数和(自身を含む): 209763360

約数和(自身を除く): 119723600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 739, 1478, 1523, 2956, 3046, 3695, 5912, 6092, 7390, 7615, 11824, 12184, 14780, 15230, 24368, 29560, 30460, 59120, 60920, 121840, 1125497, 2250994, 4501988, 5627485, 9003976, 11254970, 18007952, 22509940, 45019880, 90039760]

約数ペア:

[(1, 90039760), (2, 45019880), (4, 22509940), (5, 18007952), (8, 11254970), (10, 9003976), (16, 5627485), (20, 4501988), (40, 2250994), (80, 1125497), (739, 121840), (1478, 60920), (1523, 59120), (2956, 30460), (3046, 29560), (3695, 24368), (5912, 15230), (6092, 14780), (7390, 12184), (7615, 11824)]