55556720

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13103}}^1$

素因数の和:13169

約数の個数: 40

約数和(自身を含む): 131616576

約数和(自身を除く): 76059856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 13103, 26206, 52412, 65515, 104824, 131030, 209648, 262060, 524120, 694459, 1048240, 1388918, 2777836, 3472295, 5555672, 6944590, 11111344, 13889180, 27778360, 55556720]

約数ペア:

[(1, 55556720), (2, 27778360), (4, 13889180), (5, 11111344), (8, 6944590), (10, 5555672), (16, 3472295), (20, 2777836), (40, 1388918), (53, 1048240), (80, 694459), (106, 524120), (212, 262060), (265, 209648), (424, 131030), (530, 104824), (848, 65515), (1060, 52412), (2120, 26206), (4240, 13103)]