71925880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138319}}^1$

素因数の和:138343

約数の個数: 32

約数和(自身を含む): 174283200

約数和(自身を除く): 102357320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138319, 276638, 553276, 691595, 1106552, 1383190, 1798147, 2766380, 3596294, 5532760, 7192588, 8990735, 14385176, 17981470, 35962940, 71925880]

約数ペア:

[(1, 71925880), (2, 35962940), (4, 17981470), (5, 14385176), (8, 8990735), (10, 7192588), (13, 5532760), (20, 3596294), (26, 2766380), (40, 1798147), (52, 1383190), (65, 1106552), (104, 691595), (130, 553276), (260, 276638), (520, 138319)]