4491280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1855

約数の個数: 40

約数和(自身を含む): 10785024

約数和(自身を除く): 6293744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1811, 2480, 3622, 7244, 9055, 14488, 18110, 28976, 36220, 56141, 72440, 112282, 144880, 224564, 280705, 449128, 561410, 898256, 1122820, 2245640, 4491280]

約数ペア:

[(1, 4491280), (2, 2245640), (4, 1122820), (5, 898256), (8, 561410), (10, 449128), (16, 280705), (20, 224564), (31, 144880), (40, 112282), (62, 72440), (80, 56141), (124, 36220), (155, 28976), (248, 18110), (310, 14488), (496, 9055), (620, 7244), (1240, 3622), (1811, 2480)]