40220080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 97118784

約数和(自身を除く): 56898704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 73, 80, 97, 142, 146, 194, 284, 292, 355, 365, 388, 485, 568, 584, 710, 730, 776, 970, 1136, 1168, 1420, 1460, 1552, 1940, 2840, 2920, 3880, 5183, 5680, 5840, 6887, 7081, 7760, 10366, 13774, 14162, 20732, 25915, 27548, 28324, 34435, 35405, 41464, 51830, 55096, 56648, 68870, 70810, 82928, 103660, 110192, 113296, 137740, 141620, 207320, 275480, 283240, 414640, 502751, 550960, 566480, 1005502, 2011004, 2513755, 4022008, 5027510, 8044016, 10055020, 20110040, 40220080]

約数ペア:

[(1, 40220080), (2, 20110040), (4, 10055020), (5, 8044016), (8, 5027510), (10, 4022008), (16, 2513755), (20, 2011004), (40, 1005502), (71, 566480), (73, 550960), (80, 502751), (97, 414640), (142, 283240), (146, 275480), (194, 207320), (284, 141620), (292, 137740), (355, 113296), (365, 110192), (388, 103660), (485, 82928), (568, 70810), (584, 68870), (710, 56648), (730, 55096), (776, 51830), (970, 41464), (1136, 35405), (1168, 34435), (1420, 28324), (1460, 27548), (1552, 25915), (1940, 20732), (2840, 14162), (2920, 13774), (3880, 10366), (5183, 7760), (5680, 7081), (5840, 6887)]