13480025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 19790400

約数和(自身を除く): 6310375

約数列:

[1, 5, 13, 19, 25, 37, 59, 65, 95, 185, 247, 295, 325, 475, 481, 703, 767, 925, 1121, 1235, 1475, 2183, 2405, 3515, 3835, 5605, 6175, 9139, 10915, 12025, 14573, 17575, 19175, 28025, 28379, 41477, 45695, 54575, 72865, 141895, 207385, 228475, 364325, 539201, 709475, 1036925, 2696005, 13480025]

約数ペア:

[(1, 13480025), (5, 2696005), (13, 1036925), (19, 709475), (25, 539201), (37, 364325), (59, 228475), (65, 207385), (95, 141895), (185, 72865), (247, 54575), (295, 45695), (325, 41477), (475, 28379), (481, 28025), (703, 19175), (767, 17575), (925, 14573), (1121, 12025), (1235, 10915), (1475, 9139), (2183, 6175), (2405, 5605), (3515, 3835)]