8507980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 19714464

約数和(自身を除く): 11206484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 761, 860, 1118, 1522, 2236, 2795, 3044, 3805, 5590, 7610, 9893, 11180, 15220, 19786, 32723, 39572, 49465, 65446, 98930, 130892, 163615, 197860, 327230, 425399, 654460, 850798, 1701596, 2126995, 4253990, 8507980]

約数ペア:

[(1, 8507980), (2, 4253990), (4, 2126995), (5, 1701596), (10, 850798), (13, 654460), (20, 425399), (26, 327230), (43, 197860), (52, 163615), (65, 130892), (86, 98930), (130, 65446), (172, 49465), (215, 39572), (260, 32723), (430, 19786), (559, 15220), (761, 11180), (860, 9893), (1118, 7610), (1522, 5590), (2236, 3805), (2795, 3044)]