7571720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14561}}^1$

素因数の和:14585

約数の個数: 32

約数和(自身を含む): 18348120

約数和(自身を除く): 10776400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 14561, 29122, 58244, 72805, 116488, 145610, 189293, 291220, 378586, 582440, 757172, 946465, 1514344, 1892930, 3785860, 7571720]

約数ペア:

[(1, 7571720), (2, 3785860), (4, 1892930), (5, 1514344), (8, 946465), (10, 757172), (13, 582440), (20, 378586), (26, 291220), (40, 189293), (52, 145610), (65, 116488), (104, 72805), (130, 58244), (260, 29122), (520, 14561)]