99974440

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3863}}^1$

素因数の和:4521

約数の個数: 32

約数和(自身を含む): 225348480

約数和(自身を除く): 125374040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 3863, 5176, 6470, 7726, 12940, 15452, 19315, 25880, 30904, 38630, 77260, 154520, 2499361, 4998722, 9997444, 12496805, 19994888, 24993610, 49987220, 99974440]

約数ペア:

[(1, 99974440), (2, 49987220), (4, 24993610), (5, 19994888), (8, 12496805), (10, 9997444), (20, 4998722), (40, 2499361), (647, 154520), (1294, 77260), (2588, 38630), (3235, 30904), (3863, 25880), (5176, 19315), (6470, 15452), (7726, 12940)]