38820440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23671}}^1$

素因数の和:23723

約数の個数: 32

約数和(自身を含む): 89480160

約数和(自身を除く): 50659720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 23671, 47342, 94684, 118355, 189368, 236710, 473420, 946840, 970511, 1941022, 3882044, 4852555, 7764088, 9705110, 19410220, 38820440]

約数ペア:

[(1, 38820440), (2, 19410220), (4, 9705110), (5, 7764088), (8, 4852555), (10, 3882044), (20, 1941022), (40, 970511), (41, 946840), (82, 473420), (164, 236710), (205, 189368), (328, 118355), (410, 94684), (820, 47342), (1640, 23671)]