25037820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7321}}^1$

素因数の和:7355

約数の個数: 72

約数和(自身を含む): 79956240

約数和(自身を除く): 54918420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 7321, 14642, 21963, 29284, 36605, 43926, 65889, 73210, 87852, 109815, 131778, 139099, 146420, 219630, 263556, 278198, 329445, 417297, 439260, 556396, 658890, 695495, 834594, 1251891, 1317780, 1390990, 1669188, 2086485, 2503782, 2781980, 4172970, 5007564, 6259455, 8345940, 12518910, 25037820]

約数ペア:

[(1, 25037820), (2, 12518910), (3, 8345940), (4, 6259455), (5, 5007564), (6, 4172970), (9, 2781980), (10, 2503782), (12, 2086485), (15, 1669188), (18, 1390990), (19, 1317780), (20, 1251891), (30, 834594), (36, 695495), (38, 658890), (45, 556396), (57, 439260), (60, 417297), (76, 329445), (90, 278198), (95, 263556), (114, 219630), (171, 146420), (180, 139099), (190, 131778), (228, 109815), (285, 87852), (342, 73210), (380, 65889), (570, 43926), (684, 36605), (855, 29284), (1140, 21963), (1710, 14642), (3420, 7321)]