89359660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18089}}^1$

素因数の和:18130

約数の個数: 48

約数和(自身を含む): 212738400

約数和(自身を除く): 123378740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 18089, 36178, 72356, 90445, 180890, 235157, 343691, 361780, 470314, 687382, 940628, 1175785, 1374764, 1718455, 2351570, 3436910, 4467983, 4703140, 6873820, 8935966, 17871932, 22339915, 44679830, 89359660]

約数ペア:

[(1, 89359660), (2, 44679830), (4, 22339915), (5, 17871932), (10, 8935966), (13, 6873820), (19, 4703140), (20, 4467983), (26, 3436910), (38, 2351570), (52, 1718455), (65, 1374764), (76, 1175785), (95, 940628), (130, 687382), (190, 470314), (247, 361780), (260, 343691), (380, 235157), (494, 180890), (988, 90445), (1235, 72356), (2470, 36178), (4940, 18089)]