65309840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42967}}^1$

素因数の和:42999

約数の個数: 40

約数和(自身を含む): 159840960

約数和(自身を除く): 94531120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 42967, 85934, 171868, 214835, 343736, 429670, 687472, 816373, 859340, 1632746, 1718680, 3265492, 3437360, 4081865, 6530984, 8163730, 13061968, 16327460, 32654920, 65309840]

約数ペア:

[(1, 65309840), (2, 32654920), (4, 16327460), (5, 13061968), (8, 8163730), (10, 6530984), (16, 4081865), (19, 3437360), (20, 3265492), (38, 1718680), (40, 1632746), (76, 859340), (80, 816373), (95, 687472), (152, 429670), (190, 343736), (304, 214835), (380, 171868), (760, 85934), (1520, 42967)]