201807280

素因数分解:

$2^4\times 5^1\times {\mathrm{953}}^1\times {\mathrm{2647}}^1$

素因数の和:3613

約数の個数: 40

約数和(自身を含む): 469871712

約数和(自身を除く): 268064432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 953, 1906, 2647, 3812, 4765, 5294, 7624, 9530, 10588, 13235, 15248, 19060, 21176, 26470, 38120, 42352, 52940, 76240, 105880, 211760, 2522591, 5045182, 10090364, 12612955, 20180728, 25225910, 40361456, 50451820, 100903640, 201807280]

約数ペア:

[(1, 201807280), (2, 100903640), (4, 50451820), (5, 40361456), (8, 25225910), (10, 20180728), (16, 12612955), (20, 10090364), (40, 5045182), (80, 2522591), (953, 211760), (1906, 105880), (2647, 76240), (3812, 52940), (4765, 42352), (5294, 38120), (7624, 26470), (9530, 21176), (10588, 19060), (13235, 15248)]