12709840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 35325864

約数和(自身を除く): 22616024

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 101, 104, 110, 121, 130, 143, 176, 202, 208, 220, 242, 260, 286, 404, 440, 484, 505, 520, 572, 605, 715, 808, 880, 968, 1010, 1040, 1111, 1144, 1210, 1313, 1430, 1573, 1616, 1936, 2020, 2222, 2288, 2420, 2626, 2860, 3146, 4040, 4444, 4840, 5252, 5555, 5720, 6292, 6565, 7865, 8080, 8888, 9680, 10504, 11110, 11440, 12221, 12584, 13130, 14443, 15730, 17776, 21008, 22220, 24442, 25168, 26260, 28886, 31460, 44440, 48884, 52520, 57772, 61105, 62920, 72215, 88880, 97768, 105040, 115544, 122210, 125840, 144430, 158873, 195536, 231088, 244420, 288860, 317746, 488840, 577720, 635492, 794365, 977680, 1155440, 1270984, 1588730, 2541968, 3177460, 6354920, 12709840]

約数ペア:

[(1, 12709840), (2, 6354920), (4, 3177460), (5, 2541968), (8, 1588730), (10, 1270984), (11, 1155440), (13, 977680), (16, 794365), (20, 635492), (22, 577720), (26, 488840), (40, 317746), (44, 288860), (52, 244420), (55, 231088), (65, 195536), (80, 158873), (88, 144430), (101, 125840), (104, 122210), (110, 115544), (121, 105040), (130, 97768), (143, 88880), (176, 72215), (202, 62920), (208, 61105), (220, 57772), (242, 52520), (260, 48884), (286, 44440), (404, 31460), (440, 28886), (484, 26260), (505, 25168), (520, 24442), (572, 22220), (605, 21008), (715, 17776), (808, 15730), (880, 14443), (968, 13130), (1010, 12584), (1040, 12221), (1111, 11440), (1144, 11110), (1210, 10504), (1313, 9680), (1430, 8888), (1573, 8080), (1616, 7865), (1936, 6565), (2020, 6292), (2222, 5720), (2288, 5555), (2420, 5252), (2626, 4840), (2860, 4444), (3146, 4040)]