65966480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43399}}^1$

素因数の和:43431

約数の個数: 40

約数和(自身を含む): 161448000

約数和(自身を除く): 95481520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 43399, 86798, 173596, 216995, 347192, 433990, 694384, 824581, 867980, 1649162, 1735960, 3298324, 3471920, 4122905, 6596648, 8245810, 13193296, 16491620, 32983240, 65966480]

約数ペア:

[(1, 65966480), (2, 32983240), (4, 16491620), (5, 13193296), (8, 8245810), (10, 6596648), (16, 4122905), (19, 3471920), (20, 3298324), (38, 1735960), (40, 1649162), (76, 867980), (80, 824581), (95, 694384), (152, 433990), (190, 347192), (304, 216995), (380, 173596), (760, 86798), (1520, 43399)]