57219080

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2267}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 129003840

約数和(自身を除く): 71784760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2267, 2524, 3155, 4534, 5048, 6310, 9068, 11335, 12620, 18136, 22670, 25240, 45340, 90680, 1430477, 2860954, 5721908, 7152385, 11443816, 14304770, 28609540, 57219080]

約数ペア:

[(1, 57219080), (2, 28609540), (4, 14304770), (5, 11443816), (8, 7152385), (10, 5721908), (20, 2860954), (40, 1430477), (631, 90680), (1262, 45340), (2267, 25240), (2524, 22670), (3155, 18136), (4534, 12620), (5048, 11335), (6310, 9068)]