85671140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 185601024

約数和(自身を除く): 99929884

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 191, 205, 382, 410, 547, 764, 820, 955, 1094, 1910, 2188, 2735, 3820, 5470, 7831, 10940, 15662, 22427, 31324, 39155, 44854, 78310, 89708, 104477, 112135, 156620, 208954, 224270, 417908, 448540, 522385, 1044770, 2089540, 4283557, 8567114, 17134228, 21417785, 42835570, 85671140]

約数ペア:

[(1, 85671140), (2, 42835570), (4, 21417785), (5, 17134228), (10, 8567114), (20, 4283557), (41, 2089540), (82, 1044770), (164, 522385), (191, 448540), (205, 417908), (382, 224270), (410, 208954), (547, 156620), (764, 112135), (820, 104477), (955, 89708), (1094, 78310), (1910, 44854), (2188, 39155), (2735, 31324), (3820, 22427), (5470, 15662), (7831, 10940)]