13012880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 32140800

約数和(自身を除く): 19127920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 79, 80, 116, 142, 145, 158, 232, 284, 290, 316, 355, 395, 464, 568, 580, 632, 710, 790, 1136, 1160, 1264, 1420, 1580, 2059, 2291, 2320, 2840, 3160, 4118, 4582, 5609, 5680, 6320, 8236, 9164, 10295, 11218, 11455, 16472, 18328, 20590, 22436, 22910, 28045, 32944, 36656, 41180, 44872, 45820, 56090, 82360, 89744, 91640, 112180, 162661, 164720, 183280, 224360, 325322, 448720, 650644, 813305, 1301288, 1626610, 2602576, 3253220, 6506440, 13012880]

約数ペア:

[(1, 13012880), (2, 6506440), (4, 3253220), (5, 2602576), (8, 1626610), (10, 1301288), (16, 813305), (20, 650644), (29, 448720), (40, 325322), (58, 224360), (71, 183280), (79, 164720), (80, 162661), (116, 112180), (142, 91640), (145, 89744), (158, 82360), (232, 56090), (284, 45820), (290, 44872), (316, 41180), (355, 36656), (395, 32944), (464, 28045), (568, 22910), (580, 22436), (632, 20590), (710, 18328), (790, 16472), (1136, 11455), (1160, 11218), (1264, 10295), (1420, 9164), (1580, 8236), (2059, 6320), (2291, 5680), (2320, 5609), (2840, 4582), (3160, 4118)]