40347760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 98895456

約数和(自身を除く): 58547696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 317, 344, 370, 430, 592, 634, 688, 740, 860, 1268, 1480, 1585, 1591, 1720, 2536, 2960, 3170, 3182, 3440, 5072, 6340, 6364, 7955, 11729, 12680, 12728, 13631, 15910, 23458, 25360, 25456, 27262, 31820, 46916, 54524, 58645, 63640, 68155, 93832, 109048, 117290, 127280, 136310, 187664, 218096, 234580, 272620, 469160, 504347, 545240, 938320, 1008694, 1090480, 2017388, 2521735, 4034776, 5043470, 8069552, 10086940, 20173880, 40347760]

約数ペア:

[(1, 40347760), (2, 20173880), (4, 10086940), (5, 8069552), (8, 5043470), (10, 4034776), (16, 2521735), (20, 2017388), (37, 1090480), (40, 1008694), (43, 938320), (74, 545240), (80, 504347), (86, 469160), (148, 272620), (172, 234580), (185, 218096), (215, 187664), (296, 136310), (317, 127280), (344, 117290), (370, 109048), (430, 93832), (592, 68155), (634, 63640), (688, 58645), (740, 54524), (860, 46916), (1268, 31820), (1480, 27262), (1585, 25456), (1591, 25360), (1720, 23458), (2536, 15910), (2960, 13631), (3170, 12728), (3182, 12680), (3440, 11729), (5072, 7955), (6340, 6364)]