520491800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{49103}}^1$

素因数の和:49172

約数の個数: 48

約数和(自身を含む): 1233001440

約数和(自身を除く): 712509640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 2120, 2650, 5300, 10600, 49103, 98206, 196412, 245515, 392824, 491030, 982060, 1227575, 1964120, 2455150, 2602459, 4910300, 5204918, 9820600, 10409836, 13012295, 20819672, 26024590, 52049180, 65061475, 104098360, 130122950, 260245900, 520491800]

約数ペア:

[(1, 520491800), (2, 260245900), (4, 130122950), (5, 104098360), (8, 65061475), (10, 52049180), (20, 26024590), (25, 20819672), (40, 13012295), (50, 10409836), (53, 9820600), (100, 5204918), (106, 4910300), (200, 2602459), (212, 2455150), (265, 1964120), (424, 1227575), (530, 982060), (1060, 491030), (1325, 392824), (2120, 245515), (2650, 196412), (5300, 98206), (10600, 49103)]