13217680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23603}}^1$

素因数の和:23623

約数の個数: 40

約数和(自身を含む): 35122752

約数和(自身を除く): 21905072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23603, 47206, 94412, 118015, 165221, 188824, 236030, 330442, 377648, 472060, 660884, 826105, 944120, 1321768, 1652210, 1888240, 2643536, 3304420, 6608840, 13217680]

約数ペア:

[(1, 13217680), (2, 6608840), (4, 3304420), (5, 2643536), (7, 1888240), (8, 1652210), (10, 1321768), (14, 944120), (16, 826105), (20, 660884), (28, 472060), (35, 377648), (40, 330442), (56, 236030), (70, 188824), (80, 165221), (112, 118015), (140, 94412), (280, 47206), (560, 23603)]