51619768120

素因数分解:

$2^3\times 5^1\times {\mathrm{3251}}^1\times {\mathrm{396953}}^1$

素因数の和:400215

約数の個数: 32

約数和(自身を含む): 116180496720

約数和(自身を除く): 64560728600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3251, 6502, 13004, 16255, 26008, 32510, 65020, 130040, 396953, 793906, 1587812, 1984765, 3175624, 3969530, 7939060, 15878120, 1290494203, 2580988406, 5161976812, 6452471015, 10323953624, 12904942030, 25809884060, 51619768120]

約数ペア:

[(1, 51619768120), (2, 25809884060), (4, 12904942030), (5, 10323953624), (8, 6452471015), (10, 5161976812), (20, 2580988406), (40, 1290494203), (3251, 15878120), (6502, 7939060), (13004, 3969530), (16255, 3175624), (26008, 1984765), (32510, 1587812), (65020, 793906), (130040, 396953)]