508040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 1232280

約数和(自身を除く): 724240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 977, 1954, 3908, 4885, 7816, 9770, 12701, 19540, 25402, 39080, 50804, 63505, 101608, 127010, 254020, 508040]

約数ペア:

[(1, 508040), (2, 254020), (4, 127010), (5, 101608), (8, 63505), (10, 50804), (13, 39080), (20, 25402), (26, 19540), (40, 12701), (52, 9770), (65, 7816), (104, 4885), (130, 3908), (260, 1954), (520, 977)]