82616620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{52289}}^1$

素因数の和:52377

約数の個数: 24

約数和(自身を含む): 175694400

約数和(自身を除く): 93077780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 52289, 104578, 209156, 261445, 522890, 1045780, 4130831, 8261662, 16523324, 20654155, 41308310, 82616620]

約数ペア:

[(1, 82616620), (2, 41308310), (4, 20654155), (5, 16523324), (10, 8261662), (20, 4130831), (79, 1045780), (158, 522890), (316, 261445), (395, 209156), (790, 104578), (1580, 52289)]