520161875

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:497

約数の個数: 40

約数和(自身を含む): 680182272

約数和(自身を除く): 160020397

約数列:

[1, 5, 25, 41, 53, 125, 205, 265, 383, 625, 1025, 1325, 1915, 2173, 5125, 6625, 9575, 10865, 15703, 20299, 25625, 33125, 47875, 54325, 78515, 101495, 239375, 271625, 392575, 507475, 832259, 1358125, 1962875, 2537375, 4161295, 9814375, 12686875, 20806475, 104032375, 520161875]

約数ペア:

[(1, 520161875), (5, 104032375), (25, 20806475), (41, 12686875), (53, 9814375), (125, 4161295), (205, 2537375), (265, 1962875), (383, 1358125), (625, 832259), (1025, 507475), (1325, 392575), (1915, 271625), (2173, 239375), (5125, 101495), (6625, 78515), (9575, 54325), (10865, 47875), (15703, 33125), (20299, 25625)]