5216560

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 12226896

約数和(自身を除く): 7010336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 331, 394, 662, 788, 985, 1324, 1576, 1655, 1970, 2648, 3152, 3310, 3940, 5296, 6620, 7880, 13240, 15760, 26480, 65207, 130414, 260828, 326035, 521656, 652070, 1043312, 1304140, 2608280, 5216560]

約数ペア:

[(1, 5216560), (2, 2608280), (4, 1304140), (5, 1043312), (8, 652070), (10, 521656), (16, 326035), (20, 260828), (40, 130414), (80, 65207), (197, 26480), (331, 15760), (394, 13240), (662, 7880), (788, 6620), (985, 5296), (1324, 3940), (1576, 3310), (1655, 3152), (1970, 2648)]