38575940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 89372808

約数和(自身を除く): 50796868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 113, 130, 169, 202, 226, 260, 338, 404, 452, 505, 565, 676, 845, 1010, 1130, 1313, 1469, 1690, 2020, 2260, 2626, 2938, 3380, 5252, 5876, 6565, 7345, 11413, 13130, 14690, 17069, 19097, 22826, 26260, 29380, 34138, 38194, 45652, 57065, 68276, 76388, 85345, 95485, 114130, 148369, 170690, 190970, 228260, 296738, 341380, 381940, 593476, 741845, 1483690, 1928797, 2967380, 3857594, 7715188, 9643985, 19287970, 38575940]

約数ペア:

[(1, 38575940), (2, 19287970), (4, 9643985), (5, 7715188), (10, 3857594), (13, 2967380), (20, 1928797), (26, 1483690), (52, 741845), (65, 593476), (101, 381940), (113, 341380), (130, 296738), (169, 228260), (202, 190970), (226, 170690), (260, 148369), (338, 114130), (404, 95485), (452, 85345), (505, 76388), (565, 68276), (676, 57065), (845, 45652), (1010, 38194), (1130, 34138), (1313, 29380), (1469, 26260), (1690, 22826), (2020, 19097), (2260, 17069), (2626, 14690), (2938, 13130), (3380, 11413), (5252, 7345), (5876, 6565)]