419886969280

素因数分解:

$2^6\times 5^1\times {\mathrm{1312146779}}^1$

素因数の和:1312146796

約数の個数: 28

約数和(自身を含む): 999855846360

約数和(自身を除く): 579968877080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1312146779, 2624293558, 5248587116, 6560733895, 10497174232, 13121467790, 20994348464, 26242935580, 41988696928, 52485871160, 83977393856, 104971742320, 209943484640, 419886969280]

約数ペア:

[(1, 419886969280), (2, 209943484640), (4, 104971742320), (5, 83977393856), (8, 52485871160), (10, 41988696928), (16, 26242935580), (20, 20994348464), (32, 13121467790), (40, 10497174232), (64, 6560733895), (80, 5248587116), (160, 2624293558), (320, 1312146779)]