64600240

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4099}}^1$

素因数の和:4309

約数の個数: 40

約数和(自身を含む): 150994800

約数和(自身を除く): 86394560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4099, 7880, 8198, 15760, 16396, 20495, 32792, 40990, 65584, 81980, 163960, 327920, 807503, 1615006, 3230012, 4037515, 6460024, 8075030, 12920048, 16150060, 32300120, 64600240]

約数ペア:

[(1, 64600240), (2, 32300120), (4, 16150060), (5, 12920048), (8, 8075030), (10, 6460024), (16, 4037515), (20, 3230012), (40, 1615006), (80, 807503), (197, 327920), (394, 163960), (788, 81980), (985, 65584), (1576, 40990), (1970, 32792), (3152, 20495), (3940, 16396), (4099, 15760), (7880, 8198)]