80627440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27239}}^1$

素因数の和:27289

約数の個数: 40

約数和(自身を含む): 192532320

約数和(自身を除く): 111904880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 27239, 54478, 108956, 136195, 217912, 272390, 435824, 544780, 1007843, 1089560, 2015686, 2179120, 4031372, 5039215, 8062744, 10078430, 16125488, 20156860, 40313720, 80627440]

約数ペア:

[(1, 80627440), (2, 40313720), (4, 20156860), (5, 16125488), (8, 10078430), (10, 8062744), (16, 5039215), (20, 4031372), (37, 2179120), (40, 2015686), (74, 1089560), (80, 1007843), (148, 544780), (185, 435824), (296, 272390), (370, 217912), (592, 136195), (740, 108956), (1480, 54478), (2960, 27239)]