7129720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13711}}^1$

素因数の和:13735

約数の個数: 32

約数和(自身を含む): 17277120

約数和(自身を除く): 10147400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13711, 27422, 54844, 68555, 109688, 137110, 178243, 274220, 356486, 548440, 712972, 891215, 1425944, 1782430, 3564860, 7129720]

約数ペア:

[(1, 7129720), (2, 3564860), (4, 1782430), (5, 1425944), (8, 891215), (10, 712972), (13, 548440), (20, 356486), (26, 274220), (40, 178243), (52, 137110), (65, 109688), (104, 68555), (130, 54844), (260, 27422), (520, 13711)]