28694920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{853}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 66945060

約数和(自身を除く): 38250140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 853, 1160, 1682, 1706, 3364, 3412, 4205, 4265, 6728, 6824, 8410, 8530, 16820, 17060, 24737, 33640, 34120, 49474, 98948, 123685, 197896, 247370, 494740, 717373, 989480, 1434746, 2869492, 3586865, 5738984, 7173730, 14347460, 28694920]

約数ペア:

[(1, 28694920), (2, 14347460), (4, 7173730), (5, 5738984), (8, 3586865), (10, 2869492), (20, 1434746), (29, 989480), (40, 717373), (58, 494740), (116, 247370), (145, 197896), (232, 123685), (290, 98948), (580, 49474), (841, 34120), (853, 33640), (1160, 24737), (1682, 17060), (1706, 16820), (3364, 8530), (3412, 8410), (4205, 6824), (4265, 6728)]