20191459525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{1019}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 26242070400

約数和(自身を除く): 6050610875

約数列:

[1, 5, 25, 29, 145, 151, 181, 725, 755, 905, 1019, 3775, 4379, 4525, 5095, 5249, 21895, 25475, 26245, 27331, 29551, 109475, 131225, 136655, 147755, 153869, 184439, 683275, 738775, 769345, 792599, 922195, 3846725, 3962995, 4462201, 4610975, 5348731, 19814975, 22311005, 26743655, 27850289, 111555025, 133718275, 139251445, 696257225, 807658381, 4038291905, 20191459525]

約数ペア:

[(1, 20191459525), (5, 4038291905), (25, 807658381), (29, 696257225), (145, 139251445), (151, 133718275), (181, 111555025), (725, 27850289), (755, 26743655), (905, 22311005), (1019, 19814975), (3775, 5348731), (4379, 4610975), (4525, 4462201), (5095, 3962995), (5249, 3846725), (21895, 922195), (25475, 792599), (26245, 769345), (27331, 738775), (29551, 683275), (109475, 184439), (131225, 153869), (136655, 147755)]