13009720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 18094280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 179, 184, 230, 316, 358, 395, 460, 632, 716, 790, 895, 920, 1432, 1580, 1790, 1817, 3160, 3580, 3634, 4117, 7160, 7268, 8234, 9085, 14141, 14536, 16468, 18170, 20585, 28282, 32936, 36340, 41170, 56564, 70705, 72680, 82340, 113128, 141410, 164680, 282820, 325243, 565640, 650486, 1300972, 1626215, 2601944, 3252430, 6504860, 13009720]

約数ペア:

[(1, 13009720), (2, 6504860), (4, 3252430), (5, 2601944), (8, 1626215), (10, 1300972), (20, 650486), (23, 565640), (40, 325243), (46, 282820), (79, 164680), (92, 141410), (115, 113128), (158, 82340), (179, 72680), (184, 70705), (230, 56564), (316, 41170), (358, 36340), (395, 32936), (460, 28282), (632, 20585), (716, 18170), (790, 16468), (895, 14536), (920, 14141), (1432, 9085), (1580, 8234), (1790, 7268), (1817, 7160), (3160, 4117), (3580, 3634)]