12912506875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{7937}}^1$

素因数の和:8113

約数の個数: 40

約数和(自身を含む): 17110835280

約数和(自身を除く): 4198328405

約数列:

[1, 5, 19, 25, 95, 125, 137, 475, 625, 685, 2375, 2603, 3425, 7937, 11875, 13015, 17125, 39685, 65075, 85625, 150803, 198425, 325375, 754015, 992125, 1087369, 1626875, 3770075, 4960625, 5436845, 18850375, 20660011, 27184225, 94251875, 103300055, 135921125, 516500275, 679605625, 2582501375, 12912506875]

約数ペア:

[(1, 12912506875), (5, 2582501375), (19, 679605625), (25, 516500275), (95, 135921125), (125, 103300055), (137, 94251875), (475, 27184225), (625, 20660011), (685, 18850375), (2375, 5436845), (2603, 4960625), (3425, 3770075), (7937, 1626875), (11875, 1087369), (13015, 992125), (17125, 754015), (39685, 325375), (65075, 198425), (85625, 150803)]