28231760

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{983}}^1$

素因数の和:1355

約数の個数: 40

約数和(自身を含む): 65888640

約数和(自身を除く): 37656880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 983, 1436, 1795, 1966, 2872, 3590, 3932, 4915, 5744, 7180, 7864, 9830, 14360, 15728, 19660, 28720, 39320, 78640, 352897, 705794, 1411588, 1764485, 2823176, 3528970, 5646352, 7057940, 14115880, 28231760]

約数ペア:

[(1, 28231760), (2, 14115880), (4, 7057940), (5, 5646352), (8, 3528970), (10, 2823176), (16, 1764485), (20, 1411588), (40, 705794), (80, 352897), (359, 78640), (718, 39320), (983, 28720), (1436, 19660), (1795, 15728), (1966, 14360), (2872, 9830), (3590, 7864), (3932, 7180), (4915, 5744)]