11174840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 26373600

約数和(自身を除く): 15198760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 89, 146, 172, 178, 215, 292, 344, 356, 365, 430, 445, 584, 712, 730, 860, 890, 1460, 1720, 1780, 2920, 3139, 3560, 3827, 6278, 6497, 7654, 12556, 12994, 15308, 15695, 19135, 25112, 25988, 30616, 31390, 32485, 38270, 51976, 62780, 64970, 76540, 125560, 129940, 153080, 259880, 279371, 558742, 1117484, 1396855, 2234968, 2793710, 5587420, 11174840]

約数ペア:

[(1, 11174840), (2, 5587420), (4, 2793710), (5, 2234968), (8, 1396855), (10, 1117484), (20, 558742), (40, 279371), (43, 259880), (73, 153080), (86, 129940), (89, 125560), (146, 76540), (172, 64970), (178, 62780), (215, 51976), (292, 38270), (344, 32485), (356, 31390), (365, 30616), (430, 25988), (445, 25112), (584, 19135), (712, 15695), (730, 15308), (860, 12994), (890, 12556), (1460, 7654), (1720, 6497), (1780, 6278), (2920, 3827), (3139, 3560)]