32807720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 81181440

約数和(自身を除く): 48373720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 431, 440, 692, 862, 865, 1384, 1724, 1730, 1903, 2155, 3448, 3460, 3806, 4310, 4741, 6920, 7612, 8620, 9482, 9515, 15224, 17240, 18964, 19030, 23705, 37928, 38060, 47410, 74563, 76120, 94820, 149126, 189640, 298252, 372815, 596504, 745630, 820193, 1491260, 1640386, 2982520, 3280772, 4100965, 6561544, 8201930, 16403860, 32807720]

約数ペア:

[(1, 32807720), (2, 16403860), (4, 8201930), (5, 6561544), (8, 4100965), (10, 3280772), (11, 2982520), (20, 1640386), (22, 1491260), (40, 820193), (44, 745630), (55, 596504), (88, 372815), (110, 298252), (173, 189640), (220, 149126), (346, 94820), (431, 76120), (440, 74563), (692, 47410), (862, 38060), (865, 37928), (1384, 23705), (1724, 19030), (1730, 18964), (1903, 17240), (2155, 15224), (3448, 9515), (3460, 9482), (3806, 8620), (4310, 7612), (4741, 6920)]