78482240

素因数分解:

$2^6\times 5^1\times {\mathrm{245257}}^1$

素因数の和:245274

約数の個数: 28

約数和(自身を含む): 186886596

約数和(自身を除く): 108404356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 245257, 490514, 981028, 1226285, 1962056, 2452570, 3924112, 4905140, 7848224, 9810280, 15696448, 19620560, 39241120, 78482240]

約数ペア:

[(1, 78482240), (2, 39241120), (4, 19620560), (5, 15696448), (8, 9810280), (10, 7848224), (16, 4905140), (20, 3924112), (32, 2452570), (40, 1962056), (64, 1226285), (80, 981028), (160, 490514), (320, 245257)]