1815853040

素因数分解:

$2^4\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{14107}}^1$

素因数の和:15729

約数の個数: 40

約数和(自身を含む): 4224781680

約数和(自身を除く): 2408928640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1609, 3218, 6436, 8045, 12872, 14107, 16090, 25744, 28214, 32180, 56428, 64360, 70535, 112856, 128720, 141070, 225712, 282140, 564280, 1128560, 22698163, 45396326, 90792652, 113490815, 181585304, 226981630, 363170608, 453963260, 907926520, 1815853040]

約数ペア:

[(1, 1815853040), (2, 907926520), (4, 453963260), (5, 363170608), (8, 226981630), (10, 181585304), (16, 113490815), (20, 90792652), (40, 45396326), (80, 22698163), (1609, 1128560), (3218, 564280), (6436, 282140), (8045, 225712), (12872, 141070), (14107, 128720), (16090, 112856), (25744, 70535), (28214, 64360), (32180, 56428)]