128798410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{9619}}^1$

素因数の和:9742

約数の個数: 32

約数和(自身を含む): 252120960

約数和(自身を除く): 123322550

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6695, 9619, 13390, 19238, 48095, 96190, 125047, 250094, 625235, 990757, 1250470, 1981514, 4953785, 9907570, 12879841, 25759682, 64399205, 128798410]

約数ペア:

[(1, 128798410), (2, 64399205), (5, 25759682), (10, 12879841), (13, 9907570), (26, 4953785), (65, 1981514), (103, 1250470), (130, 990757), (206, 625235), (515, 250094), (1030, 125047), (1339, 96190), (2678, 48095), (6695, 19238), (9619, 13390)]