42540875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 58496256

約数和(自身を除く): 15955381

約数列:

[1, 5, 13, 25, 47, 65, 125, 235, 325, 557, 611, 1175, 1625, 2785, 3055, 5875, 7241, 13925, 15275, 26179, 36205, 69625, 76375, 130895, 181025, 340327, 654475, 905125, 1701635, 3272375, 8508175, 42540875]

約数ペア:

[(1, 42540875), (5, 8508175), (13, 3272375), (25, 1701635), (47, 905125), (65, 654475), (125, 340327), (235, 181025), (325, 130895), (557, 76375), (611, 69625), (1175, 36205), (1625, 26179), (2785, 15275), (3055, 13925), (5875, 7241)]