65978702960

素因数分解:

$2^4\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{443167}}^1$

素因数の和:445041

約数の個数: 40

約数和(自身を含む): 153483259776

約数和(自身を除く): 87504556816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1861, 3722, 7444, 9305, 14888, 18610, 29776, 37220, 74440, 148880, 443167, 886334, 1772668, 2215835, 3545336, 4431670, 7090672, 8863340, 17726680, 35453360, 824733787, 1649467574, 3298935148, 4123668935, 6597870296, 8247337870, 13195740592, 16494675740, 32989351480, 65978702960]

約数ペア:

[(1, 65978702960), (2, 32989351480), (4, 16494675740), (5, 13195740592), (8, 8247337870), (10, 6597870296), (16, 4123668935), (20, 3298935148), (40, 1649467574), (80, 824733787), (1861, 35453360), (3722, 17726680), (7444, 8863340), (9305, 7090672), (14888, 4431670), (18610, 3545336), (29776, 2215835), (37220, 1772668), (74440, 886334), (148880, 443167)]