205956560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83047}}^1$

素因数の和:83091

約数の個数: 40

約数和(自身を含む): 494301696

約数和(自身を除く): 288345136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 83047, 166094, 332188, 415235, 664376, 830470, 1328752, 1660940, 2574457, 3321880, 5148914, 6643760, 10297828, 12872285, 20595656, 25744570, 41191312, 51489140, 102978280, 205956560]

約数ペア:

[(1, 205956560), (2, 102978280), (4, 51489140), (5, 41191312), (8, 25744570), (10, 20595656), (16, 12872285), (20, 10297828), (31, 6643760), (40, 5148914), (62, 3321880), (80, 2574457), (124, 1660940), (155, 1328752), (248, 830470), (310, 664376), (496, 415235), (620, 332188), (1240, 166094), (2480, 83047)]