28538600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4603}}^1$

素因数の和:4650

約数の個数: 48

約数和(自身を含む): 68507520

約数和(自身を除く): 39968920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 4603, 6200, 9206, 18412, 23015, 36824, 46030, 92060, 115075, 142693, 184120, 230150, 285386, 460300, 570772, 713465, 920600, 1141544, 1426930, 2853860, 3567325, 5707720, 7134650, 14269300, 28538600]

約数ペア:

[(1, 28538600), (2, 14269300), (4, 7134650), (5, 5707720), (8, 3567325), (10, 2853860), (20, 1426930), (25, 1141544), (31, 920600), (40, 713465), (50, 570772), (62, 460300), (100, 285386), (124, 230150), (155, 184120), (200, 142693), (248, 115075), (310, 92060), (620, 46030), (775, 36824), (1240, 23015), (1550, 18412), (3100, 9206), (4603, 6200)]