1341520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 3202920

約数和(自身を除く): 1861400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 409, 410, 656, 818, 820, 1636, 1640, 2045, 3272, 3280, 4090, 6544, 8180, 16360, 16769, 32720, 33538, 67076, 83845, 134152, 167690, 268304, 335380, 670760, 1341520]

約数ペア:

[(1, 1341520), (2, 670760), (4, 335380), (5, 268304), (8, 167690), (10, 134152), (16, 83845), (20, 67076), (40, 33538), (41, 32720), (80, 16769), (82, 16360), (164, 8180), (205, 6544), (328, 4090), (409, 3280), (410, 3272), (656, 2045), (818, 1640), (820, 1636)]