11257760

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 26998272

約数和(自身を除く): 15740512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 991, 1136, 1420, 1982, 2272, 2840, 3964, 4955, 5680, 7928, 9910, 11360, 15856, 19820, 31712, 39640, 70361, 79280, 140722, 158560, 281444, 351805, 562888, 703610, 1125776, 1407220, 2251552, 2814440, 5628880, 11257760]

約数ペア:

[(1, 11257760), (2, 5628880), (4, 2814440), (5, 2251552), (8, 1407220), (10, 1125776), (16, 703610), (20, 562888), (32, 351805), (40, 281444), (71, 158560), (80, 140722), (142, 79280), (160, 70361), (284, 39640), (355, 31712), (568, 19820), (710, 15856), (991, 11360), (1136, 9910), (1420, 7928), (1982, 5680), (2272, 4955), (2840, 3964)]