54962140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 119627424

約数和(自身を除く): 64665284

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 691, 820, 970, 1382, 1940, 2764, 3455, 3977, 6910, 7954, 13820, 15908, 19885, 28331, 39770, 56662, 67027, 79540, 113324, 134054, 141655, 268108, 283310, 335135, 566620, 670270, 1340540, 2748107, 5496214, 10992428, 13740535, 27481070, 54962140]

約数ペア:

[(1, 54962140), (2, 27481070), (4, 13740535), (5, 10992428), (10, 5496214), (20, 2748107), (41, 1340540), (82, 670270), (97, 566620), (164, 335135), (194, 283310), (205, 268108), (388, 141655), (410, 134054), (485, 113324), (691, 79540), (820, 67027), (970, 56662), (1382, 39770), (1940, 28331), (2764, 19885), (3455, 15908), (3977, 13820), (6910, 7954)]