13203040

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 31434480

約数和(自身を除く): 18231440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 461, 716, 895, 922, 1432, 1790, 1844, 2305, 2864, 3580, 3688, 4610, 5728, 7160, 7376, 9220, 14320, 14752, 18440, 28640, 36880, 73760, 82519, 165038, 330076, 412595, 660152, 825190, 1320304, 1650380, 2640608, 3300760, 6601520, 13203040]

約数ペア:

[(1, 13203040), (2, 6601520), (4, 3300760), (5, 2640608), (8, 1650380), (10, 1320304), (16, 825190), (20, 660152), (32, 412595), (40, 330076), (80, 165038), (160, 82519), (179, 73760), (358, 36880), (461, 28640), (716, 18440), (895, 14752), (922, 14320), (1432, 9220), (1790, 7376), (1844, 7160), (2305, 5728), (2864, 4610), (3580, 3688)]