68614780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8513}}^1$

素因数の和:8566

約数の個数: 48

約数和(自身を含む): 160199424

約数和(自身を除く): 91584644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8513, 17026, 34052, 42565, 85130, 110669, 170260, 221338, 263903, 442676, 527806, 553345, 1055612, 1106690, 1319515, 2213380, 2639030, 3430739, 5278060, 6861478, 13722956, 17153695, 34307390, 68614780]

約数ペア:

[(1, 68614780), (2, 34307390), (4, 17153695), (5, 13722956), (10, 6861478), (13, 5278060), (20, 3430739), (26, 2639030), (31, 2213380), (52, 1319515), (62, 1106690), (65, 1055612), (124, 553345), (130, 527806), (155, 442676), (260, 263903), (310, 221338), (403, 170260), (620, 110669), (806, 85130), (1612, 42565), (2015, 34052), (4030, 17026), (8060, 8513)]