28450720

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4337}}^1$

素因数の和:4393

約数の個数: 48

約数和(自身を含む): 68870088

約数和(自身を除く): 40419368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 4337, 6560, 8674, 17348, 21685, 34696, 43370, 69392, 86740, 138784, 173480, 177817, 346960, 355634, 693920, 711268, 889085, 1422536, 1778170, 2845072, 3556340, 5690144, 7112680, 14225360, 28450720]

約数ペア:

[(1, 28450720), (2, 14225360), (4, 7112680), (5, 5690144), (8, 3556340), (10, 2845072), (16, 1778170), (20, 1422536), (32, 889085), (40, 711268), (41, 693920), (80, 355634), (82, 346960), (160, 177817), (164, 173480), (205, 138784), (328, 86740), (410, 69392), (656, 43370), (820, 34696), (1312, 21685), (1640, 17348), (3280, 8674), (4337, 6560)]