2013990520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{18329}}^1$

素因数の和:18448

約数の個数: 64

約数和(自身を含む): 4711543200

約数和(自身を除く): 2697552680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 820, 1340, 1640, 2680, 2747, 5494, 10988, 13735, 18329, 21976, 27470, 36658, 54940, 73316, 91645, 109880, 146632, 183290, 366580, 733160, 751489, 1228043, 1502978, 2456086, 3005956, 3757445, 4912172, 6011912, 6140215, 7514890, 9824344, 12280430, 15029780, 24560860, 30059560, 49121720, 50349763, 100699526, 201399052, 251748815, 402798104, 503497630, 1006995260, 2013990520]

約数ペア:

[(1, 2013990520), (2, 1006995260), (4, 503497630), (5, 402798104), (8, 251748815), (10, 201399052), (20, 100699526), (40, 50349763), (41, 49121720), (67, 30059560), (82, 24560860), (134, 15029780), (164, 12280430), (205, 9824344), (268, 7514890), (328, 6140215), (335, 6011912), (410, 4912172), (536, 3757445), (670, 3005956), (820, 2456086), (1340, 1502978), (1640, 1228043), (2680, 751489), (2747, 733160), (5494, 366580), (10988, 183290), (13735, 146632), (18329, 109880), (21976, 91645), (27470, 73316), (36658, 54940)]