8808280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1303}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 21476880

約数和(自身を除く): 12668600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1303, 1352, 1690, 2606, 3380, 5212, 6515, 6760, 10424, 13030, 16939, 26060, 33878, 52120, 67756, 84695, 135512, 169390, 220207, 338780, 440414, 677560, 880828, 1101035, 1761656, 2202070, 4404140, 8808280]

約数ペア:

[(1, 8808280), (2, 4404140), (4, 2202070), (5, 1761656), (8, 1101035), (10, 880828), (13, 677560), (20, 440414), (26, 338780), (40, 220207), (52, 169390), (65, 135512), (104, 84695), (130, 67756), (169, 52120), (260, 33878), (338, 26060), (520, 16939), (676, 13030), (845, 10424), (1303, 6760), (1352, 6515), (1690, 5212), (2606, 3380)]