40634720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 114797088

約数和(自身を除く): 74162368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 71, 73, 80, 98, 112, 140, 142, 146, 160, 196, 224, 245, 280, 284, 292, 355, 365, 392, 490, 497, 511, 560, 568, 584, 710, 730, 784, 980, 994, 1022, 1120, 1136, 1168, 1420, 1460, 1568, 1960, 1988, 2044, 2272, 2336, 2485, 2555, 2840, 2920, 3479, 3577, 3920, 3976, 4088, 4970, 5110, 5183, 5680, 5840, 6958, 7154, 7840, 7952, 8176, 9940, 10220, 10366, 11360, 11680, 13916, 14308, 15904, 16352, 17395, 17885, 19880, 20440, 20732, 25915, 27832, 28616, 34790, 35770, 36281, 39760, 40880, 41464, 51830, 55664, 57232, 69580, 71540, 72562, 79520, 81760, 82928, 103660, 111328, 114464, 139160, 143080, 145124, 165856, 181405, 207320, 253967, 278320, 286160, 290248, 362810, 414640, 507934, 556640, 572320, 580496, 725620, 829280, 1015868, 1160992, 1269835, 1451240, 2031736, 2539670, 2902480, 4063472, 5079340, 5804960, 8126944, 10158680, 20317360, 40634720]

約数ペア:

[(1, 40634720), (2, 20317360), (4, 10158680), (5, 8126944), (7, 5804960), (8, 5079340), (10, 4063472), (14, 2902480), (16, 2539670), (20, 2031736), (28, 1451240), (32, 1269835), (35, 1160992), (40, 1015868), (49, 829280), (56, 725620), (70, 580496), (71, 572320), (73, 556640), (80, 507934), (98, 414640), (112, 362810), (140, 290248), (142, 286160), (146, 278320), (160, 253967), (196, 207320), (224, 181405), (245, 165856), (280, 145124), (284, 143080), (292, 139160), (355, 114464), (365, 111328), (392, 103660), (490, 82928), (497, 81760), (511, 79520), (560, 72562), (568, 71540), (584, 69580), (710, 57232), (730, 55664), (784, 51830), (980, 41464), (994, 40880), (1022, 39760), (1120, 36281), (1136, 35770), (1168, 34790), (1420, 28616), (1460, 27832), (1568, 25915), (1960, 20732), (1988, 20440), (2044, 19880), (2272, 17885), (2336, 17395), (2485, 16352), (2555, 15904), (2840, 14308), (2920, 13916), (3479, 11680), (3577, 11360), (3920, 10366), (3976, 10220), (4088, 9940), (4970, 8176), (5110, 7952), (5183, 7840), (5680, 7154), (5840, 6958)]