64905425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 95410560

約数和(自身を除く): 30505135

約数列:

[1, 5, 13, 19, 23, 25, 65, 95, 115, 247, 299, 325, 437, 457, 475, 575, 1235, 1495, 2185, 2285, 5681, 5941, 6175, 7475, 8683, 10511, 10925, 11425, 28405, 29705, 43415, 52555, 112879, 136643, 142025, 148525, 199709, 217075, 262775, 564395, 683215, 998545, 2596217, 2821975, 3416075, 4992725, 12981085, 64905425]

約数ペア:

[(1, 64905425), (5, 12981085), (13, 4992725), (19, 3416075), (23, 2821975), (25, 2596217), (65, 998545), (95, 683215), (115, 564395), (247, 262775), (299, 217075), (325, 199709), (437, 148525), (457, 142025), (475, 136643), (575, 112879), (1235, 52555), (1495, 43415), (2185, 29705), (2285, 28405), (5681, 11425), (5941, 10925), (6175, 10511), (7475, 8683)]