13332280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25639}}^1$

素因数の和:25663

約数の個数: 32

約数和(自身を含む): 32306400

約数和(自身を除く): 18974120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25639, 51278, 102556, 128195, 205112, 256390, 333307, 512780, 666614, 1025560, 1333228, 1666535, 2666456, 3333070, 6666140, 13332280]

約数ペア:

[(1, 13332280), (2, 6666140), (4, 3333070), (5, 2666456), (8, 1666535), (10, 1333228), (13, 1025560), (20, 666614), (26, 512780), (40, 333307), (52, 256390), (65, 205112), (104, 128195), (130, 102556), (260, 51278), (520, 25639)]