25976080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24977}}^1$

素因数の和:25003

約数の個数: 40

約数和(自身を含む): 65042712

約数和(自身を除く): 39066632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24977, 49954, 99908, 124885, 199816, 249770, 324701, 399632, 499540, 649402, 999080, 1298804, 1623505, 1998160, 2597608, 3247010, 5195216, 6494020, 12988040, 25976080]

約数ペア:

[(1, 25976080), (2, 12988040), (4, 6494020), (5, 5195216), (8, 3247010), (10, 2597608), (13, 1998160), (16, 1623505), (20, 1298804), (26, 999080), (40, 649402), (52, 499540), (65, 399632), (80, 324701), (104, 249770), (130, 199816), (208, 124885), (260, 99908), (520, 49954), (1040, 24977)]