28532020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2447}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 66624768

約数和(自身を除く): 38092748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2447, 2915, 4894, 5830, 9788, 11660, 12235, 24470, 26917, 48940, 53834, 107668, 129691, 134585, 259382, 269170, 518764, 538340, 648455, 1296910, 1426601, 2593820, 2853202, 5706404, 7133005, 14266010, 28532020]

約数ペア:

[(1, 28532020), (2, 14266010), (4, 7133005), (5, 5706404), (10, 2853202), (11, 2593820), (20, 1426601), (22, 1296910), (44, 648455), (53, 538340), (55, 518764), (106, 269170), (110, 259382), (212, 134585), (220, 129691), (265, 107668), (530, 53834), (583, 48940), (1060, 26917), (1166, 24470), (2332, 12235), (2447, 11660), (2915, 9788), (4894, 5830)]