66701875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 40

約数和(自身を含む): 90533520

約数和(自身を除く): 23831645

約数列:

[1, 5, 19, 25, 41, 95, 125, 137, 205, 475, 625, 685, 779, 1025, 2375, 2603, 3425, 3895, 5125, 5617, 11875, 13015, 17125, 19475, 25625, 28085, 65075, 85625, 97375, 106723, 140425, 325375, 486875, 533615, 702125, 1626875, 2668075, 3510625, 13340375, 66701875]

約数ペア:

[(1, 66701875), (5, 13340375), (19, 3510625), (25, 2668075), (41, 1626875), (95, 702125), (125, 533615), (137, 486875), (205, 325375), (475, 140425), (625, 106723), (685, 97375), (779, 85625), (1025, 65075), (2375, 28085), (2603, 25625), (3425, 19475), (3895, 17125), (5125, 13015), (5617, 11875)]