19935922175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{50321}}^1$

素因数の和:50420

約数の個数: 48

約数和(自身を含む): 28304313408

約数和(自身を除く): 8368391233

約数列:

[1, 5, 13, 23, 25, 53, 65, 115, 265, 299, 325, 575, 689, 1219, 1325, 1495, 3445, 6095, 7475, 15847, 17225, 30475, 50321, 79235, 251605, 396175, 654173, 1157383, 1258025, 2667013, 3270865, 5786915, 13335065, 15045979, 16354325, 28934575, 34671169, 61341299, 66675325, 75229895, 173355845, 306706495, 376149475, 797436887, 866779225, 1533532475, 3987184435, 19935922175]

約数ペア:

[(1, 19935922175), (5, 3987184435), (13, 1533532475), (23, 866779225), (25, 797436887), (53, 376149475), (65, 306706495), (115, 173355845), (265, 75229895), (299, 66675325), (325, 61341299), (575, 34671169), (689, 28934575), (1219, 16354325), (1325, 15045979), (1495, 13335065), (3445, 5786915), (6095, 3270865), (7475, 2667013), (15847, 1258025), (17225, 1157383), (30475, 654173), (50321, 396175), (79235, 251605)]