213560440

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{7817}}^1$

素因数の和:8511

約数の個数: 32

約数和(自身を含む): 481276080

約数和(自身を除く): 267715640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 5464, 6830, 7817, 13660, 15634, 27320, 31268, 39085, 62536, 78170, 156340, 312680, 5339011, 10678022, 21356044, 26695055, 42712088, 53390110, 106780220, 213560440]

約数ペア:

[(1, 213560440), (2, 106780220), (4, 53390110), (5, 42712088), (8, 26695055), (10, 21356044), (20, 10678022), (40, 5339011), (683, 312680), (1366, 156340), (2732, 78170), (3415, 62536), (5464, 39085), (6830, 31268), (7817, 27320), (13660, 15634)]