65967920

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2153}}^1$

素因数の和:2549

約数の個数: 40

約数和(自身を含む): 153847296

約数和(自身を除く): 87879376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 2153, 3064, 3830, 4306, 6128, 7660, 8612, 10765, 15320, 17224, 21530, 30640, 34448, 43060, 86120, 172240, 824599, 1649198, 3298396, 4122995, 6596792, 8245990, 13193584, 16491980, 32983960, 65967920]

約数ペア:

[(1, 65967920), (2, 32983960), (4, 16491980), (5, 13193584), (8, 8245990), (10, 6596792), (16, 4122995), (20, 3298396), (40, 1649198), (80, 824599), (383, 172240), (766, 86120), (1532, 43060), (1915, 34448), (2153, 30640), (3064, 21530), (3830, 17224), (4306, 15320), (6128, 10765), (7660, 8612)]