88395920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64997}}^1$

素因数の和:65027

約数の個数: 40

約数和(自身を含む): 217613304

約数和(自身を除く): 129217384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 64997, 129994, 259988, 324985, 519976, 649970, 1039952, 1104949, 1299940, 2209898, 2599880, 4419796, 5199760, 5524745, 8839592, 11049490, 17679184, 22098980, 44197960, 88395920]

約数ペア:

[(1, 88395920), (2, 44197960), (4, 22098980), (5, 17679184), (8, 11049490), (10, 8839592), (16, 5524745), (17, 5199760), (20, 4419796), (34, 2599880), (40, 2209898), (68, 1299940), (80, 1104949), (85, 1039952), (136, 649970), (170, 519976), (272, 324985), (340, 259988), (680, 129994), (1360, 64997)]