53991880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^2$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 125421660

約数和(自身を除く): 71429780

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 191, 296, 370, 382, 740, 764, 955, 1480, 1528, 1910, 3820, 7067, 7640, 14134, 28268, 35335, 36481, 56536, 70670, 72962, 141340, 145924, 182405, 282680, 291848, 364810, 729620, 1349797, 1459240, 2699594, 5399188, 6748985, 10798376, 13497970, 26995940, 53991880]

約数ペア:

[(1, 53991880), (2, 26995940), (4, 13497970), (5, 10798376), (8, 6748985), (10, 5399188), (20, 2699594), (37, 1459240), (40, 1349797), (74, 729620), (148, 364810), (185, 291848), (191, 282680), (296, 182405), (370, 145924), (382, 141340), (740, 72962), (764, 70670), (955, 56536), (1480, 36481), (1528, 35335), (1910, 28268), (3820, 14134), (7067, 7640)]