28516760

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1163}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 64322640

約数和(自身を除く): 35805880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1163, 1226, 2326, 2452, 3065, 4652, 4904, 5815, 6130, 9304, 11630, 12260, 23260, 24520, 46520, 712919, 1425838, 2851676, 3564595, 5703352, 7129190, 14258380, 28516760]

約数ペア:

[(1, 28516760), (2, 14258380), (4, 7129190), (5, 5703352), (8, 3564595), (10, 2851676), (20, 1425838), (40, 712919), (613, 46520), (1163, 24520), (1226, 23260), (2326, 12260), (2452, 11630), (3065, 9304), (4652, 6130), (4904, 5815)]