84651880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 198132480

約数和(自身を除く): 113480600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 710, 727, 820, 1420, 1454, 1640, 2840, 2908, 2911, 3635, 5816, 5822, 7270, 11644, 14540, 14555, 23288, 29080, 29110, 29807, 51617, 58220, 59614, 103234, 116440, 119228, 149035, 206468, 238456, 258085, 298070, 412936, 516170, 596140, 1032340, 1192280, 2064680, 2116297, 4232594, 8465188, 10581485, 16930376, 21162970, 42325940, 84651880]

約数ペア:

[(1, 84651880), (2, 42325940), (4, 21162970), (5, 16930376), (8, 10581485), (10, 8465188), (20, 4232594), (40, 2116297), (41, 2064680), (71, 1192280), (82, 1032340), (142, 596140), (164, 516170), (205, 412936), (284, 298070), (328, 258085), (355, 238456), (410, 206468), (568, 149035), (710, 119228), (727, 116440), (820, 103234), (1420, 59614), (1454, 58220), (1640, 51617), (2840, 29807), (2908, 29110), (2911, 29080), (3635, 23288), (5816, 14555), (5822, 14540), (7270, 11644)]