254605160

素因数分解:

$2^3\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{2543}}^1$

素因数の和:5057

約数の個数: 32

約数和(自身を含む): 573315840

約数和(自身を除く): 318710680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2503, 2543, 5006, 5086, 10012, 10172, 12515, 12715, 20024, 20344, 25030, 25430, 50060, 50860, 100120, 101720, 6365129, 12730258, 25460516, 31825645, 50921032, 63651290, 127302580, 254605160]

約数ペア:

[(1, 254605160), (2, 127302580), (4, 63651290), (5, 50921032), (8, 31825645), (10, 25460516), (20, 12730258), (40, 6365129), (2503, 101720), (2543, 100120), (5006, 50860), (5086, 50060), (10012, 25430), (10172, 25030), (12515, 20344), (12715, 20024)]