1640242525

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{15107}}^1$

素因数の和:15261

約数の個数: 24

約数和(自身を含む): 2101945824

約数和(自身を除く): 461703299

約数列:

[1, 5, 25, 43, 101, 215, 505, 1075, 2525, 4343, 15107, 21715, 75535, 108575, 377675, 649601, 1525807, 3248005, 7629035, 16240025, 38145175, 65609701, 328048505, 1640242525]

約数ペア:

[(1, 1640242525), (5, 328048505), (25, 65609701), (43, 38145175), (101, 16240025), (215, 7629035), (505, 3248005), (1075, 1525807), (2525, 649601), (4343, 377675), (15107, 108575), (21715, 75535)]