259379720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{51059}}^1$

素因数の和:51197

約数の個数: 32

約数和(自身を含む): 588211200

約数和(自身を除く): 328831480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 51059, 102118, 204236, 255295, 408472, 510590, 1021180, 2042360, 6484493, 12968986, 25937972, 32422465, 51875944, 64844930, 129689860, 259379720]

約数ペア:

[(1, 259379720), (2, 129689860), (4, 64844930), (5, 51875944), (8, 32422465), (10, 25937972), (20, 12968986), (40, 6484493), (127, 2042360), (254, 1021180), (508, 510590), (635, 408472), (1016, 255295), (1270, 204236), (2540, 102118), (5080, 51059)]