25458020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 64447488

約数和(自身を除く): 38989468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 53, 70, 73, 94, 106, 140, 146, 188, 212, 235, 265, 292, 329, 365, 371, 470, 511, 530, 658, 730, 742, 940, 1022, 1060, 1316, 1460, 1484, 1645, 1855, 2044, 2491, 2555, 3290, 3431, 3710, 3869, 4982, 5110, 6580, 6862, 7420, 7738, 9964, 10220, 12455, 13724, 15476, 17155, 17437, 19345, 24017, 24910, 27083, 34310, 34874, 38690, 48034, 49820, 54166, 68620, 69748, 77380, 87185, 96068, 108332, 120085, 135415, 174370, 181843, 240170, 270830, 348740, 363686, 480340, 541660, 727372, 909215, 1272901, 1818430, 2545802, 3636860, 5091604, 6364505, 12729010, 25458020]

約数ペア:

[(1, 25458020), (2, 12729010), (4, 6364505), (5, 5091604), (7, 3636860), (10, 2545802), (14, 1818430), (20, 1272901), (28, 909215), (35, 727372), (47, 541660), (53, 480340), (70, 363686), (73, 348740), (94, 270830), (106, 240170), (140, 181843), (146, 174370), (188, 135415), (212, 120085), (235, 108332), (265, 96068), (292, 87185), (329, 77380), (365, 69748), (371, 68620), (470, 54166), (511, 49820), (530, 48034), (658, 38690), (730, 34874), (742, 34310), (940, 27083), (1022, 24910), (1060, 24017), (1316, 19345), (1460, 17437), (1484, 17155), (1645, 15476), (1855, 13724), (2044, 12455), (2491, 10220), (2555, 9964), (3290, 7738), (3431, 7420), (3710, 6862), (3869, 6580), (4982, 5110)]