89116780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{569}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 103935380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 191, 205, 382, 410, 569, 764, 820, 955, 1138, 1910, 2276, 2845, 3820, 5690, 7831, 11380, 15662, 23329, 31324, 39155, 46658, 78310, 93316, 108679, 116645, 156620, 217358, 233290, 434716, 466580, 543395, 1086790, 2173580, 4455839, 8911678, 17823356, 22279195, 44558390, 89116780]

約数ペア:

[(1, 89116780), (2, 44558390), (4, 22279195), (5, 17823356), (10, 8911678), (20, 4455839), (41, 2173580), (82, 1086790), (164, 543395), (191, 466580), (205, 434716), (382, 233290), (410, 217358), (569, 156620), (764, 116645), (820, 108679), (955, 93316), (1138, 78310), (1910, 46658), (2276, 39155), (2845, 31324), (3820, 23329), (5690, 15662), (7831, 11380)]