11915840

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1659

約数の個数: 56

約数和(自身を含む): 29626560

約数和(自身を除く): 17710720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1619, 1840, 3238, 3680, 6476, 7360, 8095, 12952, 16190, 25904, 32380, 37237, 51808, 64760, 74474, 103616, 129520, 148948, 186185, 259040, 297896, 372370, 518080, 595792, 744740, 1191584, 1489480, 2383168, 2978960, 5957920, 11915840]

約数ペア:

[(1, 11915840), (2, 5957920), (4, 2978960), (5, 2383168), (8, 1489480), (10, 1191584), (16, 744740), (20, 595792), (23, 518080), (32, 372370), (40, 297896), (46, 259040), (64, 186185), (80, 148948), (92, 129520), (115, 103616), (160, 74474), (184, 64760), (230, 51808), (320, 37237), (368, 32380), (460, 25904), (736, 16190), (920, 12952), (1472, 8095), (1619, 7360), (1840, 6476), (3238, 3680)]