259304890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{1597}}^1$

素因数の和:2866

約数の個数: 32

約数和(自身を含む): 503370000

約数和(自身を除く): 244065110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1249, 1597, 2498, 3194, 6245, 7985, 12490, 15970, 16237, 20761, 32474, 41522, 81185, 103805, 162370, 207610, 1994653, 3989306, 9973265, 19946530, 25930489, 51860978, 129652445, 259304890]

約数ペア:

[(1, 259304890), (2, 129652445), (5, 51860978), (10, 25930489), (13, 19946530), (26, 9973265), (65, 3989306), (130, 1994653), (1249, 207610), (1597, 162370), (2498, 103805), (3194, 81185), (6245, 41522), (7985, 32474), (12490, 20761), (15970, 16237)]