2576990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 5122656

約数和(自身を除く): 2545666

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 461, 559, 922, 1118, 2305, 2795, 4610, 5590, 5993, 11986, 19823, 29965, 39646, 59930, 99115, 198230, 257699, 515398, 1288495, 2576990]

約数ペア:

[(1, 2576990), (2, 1288495), (5, 515398), (10, 257699), (13, 198230), (26, 99115), (43, 59930), (65, 39646), (86, 29965), (130, 19823), (215, 11986), (430, 5993), (461, 5590), (559, 4610), (922, 2795), (1118, 2305)]