520020140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1529471}}^1$

素因数の和:1529497

約数の個数: 24

約数和(自身を含む): 1156280832

約数和(自身を除く): 636260692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1529471, 3058942, 6117884, 7647355, 15294710, 26001007, 30589420, 52002014, 104004028, 130005035, 260010070, 520020140]

約数ペア:

[(1, 520020140), (2, 260010070), (4, 130005035), (5, 104004028), (10, 52002014), (17, 30589420), (20, 26001007), (34, 15294710), (68, 7647355), (85, 6117884), (170, 3058942), (340, 1529471)]