61727440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9767}}^1$

素因数の和:9859

約数の個数: 40

約数和(自身を含む): 145347840

約数和(自身を除く): 83620400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 9767, 19534, 39068, 48835, 78136, 97670, 156272, 195340, 390680, 771593, 781360, 1543186, 3086372, 3857965, 6172744, 7715930, 12345488, 15431860, 30863720, 61727440]

約数ペア:

[(1, 61727440), (2, 30863720), (4, 15431860), (5, 12345488), (8, 7715930), (10, 6172744), (16, 3857965), (20, 3086372), (40, 1543186), (79, 781360), (80, 771593), (158, 390680), (316, 195340), (395, 156272), (632, 97670), (790, 78136), (1264, 48835), (1580, 39068), (3160, 19534), (6320, 9767)]