1121360

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 2651616

約数和(自身を除く): 1530256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 131, 214, 262, 428, 524, 535, 655, 856, 1048, 1070, 1310, 1712, 2096, 2140, 2620, 4280, 5240, 8560, 10480, 14017, 28034, 56068, 70085, 112136, 140170, 224272, 280340, 560680, 1121360]

約数ペア:

[(1, 1121360), (2, 560680), (4, 280340), (5, 224272), (8, 140170), (10, 112136), (16, 70085), (20, 56068), (40, 28034), (80, 14017), (107, 10480), (131, 8560), (214, 5240), (262, 4280), (428, 2620), (524, 2140), (535, 2096), (655, 1712), (856, 1310), (1048, 1070)]