69961720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{16981}}^1$

素因数の和:17095

約数の個数: 32

約数和(自身を含む): 158951520

約数和(自身を除く): 88989800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 16981, 33962, 67924, 84905, 135848, 169810, 339620, 679240, 1749043, 3498086, 6996172, 8745215, 13992344, 17490430, 34980860, 69961720]

約数ペア:

[(1, 69961720), (2, 34980860), (4, 17490430), (5, 13992344), (8, 8745215), (10, 6996172), (20, 3498086), (40, 1749043), (103, 679240), (206, 339620), (412, 169810), (515, 135848), (824, 84905), (1030, 67924), (2060, 33962), (4120, 16981)]