28419280

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2593}}^1$

素因数の和:2743

約数の個数: 40

約数和(自身を含む): 66582792

約数和(自身を除く): 38163512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2593, 2740, 5186, 5480, 10372, 10960, 12965, 20744, 25930, 41488, 51860, 103720, 207440, 355241, 710482, 1420964, 1776205, 2841928, 3552410, 5683856, 7104820, 14209640, 28419280]

約数ペア:

[(1, 28419280), (2, 14209640), (4, 7104820), (5, 5683856), (8, 3552410), (10, 2841928), (16, 1776205), (20, 1420964), (40, 710482), (80, 355241), (137, 207440), (274, 103720), (548, 51860), (685, 41488), (1096, 25930), (1370, 20744), (2192, 12965), (2593, 10960), (2740, 10372), (5186, 5480)]