13259480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 32931360

約数和(自身を除く): 19671880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 593, 860, 1118, 1186, 1720, 2236, 2372, 2795, 2965, 4472, 4744, 5590, 5930, 7709, 11180, 11860, 15418, 22360, 23720, 25499, 30836, 38545, 50998, 61672, 77090, 101996, 127495, 154180, 203992, 254990, 308360, 331487, 509980, 662974, 1019960, 1325948, 1657435, 2651896, 3314870, 6629740, 13259480]

約数ペア:

[(1, 13259480), (2, 6629740), (4, 3314870), (5, 2651896), (8, 1657435), (10, 1325948), (13, 1019960), (20, 662974), (26, 509980), (40, 331487), (43, 308360), (52, 254990), (65, 203992), (86, 154180), (104, 127495), (130, 101996), (172, 77090), (215, 61672), (260, 50998), (344, 38545), (430, 30836), (520, 25499), (559, 23720), (593, 22360), (860, 15418), (1118, 11860), (1186, 11180), (1720, 7709), (2236, 5930), (2372, 5590), (2795, 4744), (2965, 4472)]