57781880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111119}}^1$

素因数の和:111143

約数の個数: 32

約数和(自身を含む): 140011200

約数和(自身を除く): 82229320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 111119, 222238, 444476, 555595, 888952, 1111190, 1444547, 2222380, 2889094, 4444760, 5778188, 7222735, 11556376, 14445470, 28890940, 57781880]

約数ペア:

[(1, 57781880), (2, 28890940), (4, 14445470), (5, 11556376), (8, 7222735), (10, 5778188), (13, 4444760), (20, 2889094), (26, 2222380), (40, 1444547), (52, 1111190), (65, 888952), (104, 555595), (130, 444476), (260, 222238), (520, 111119)]