245416240

素因数分解:

$2^4\times 5^1\times {\mathrm{3067703}}^1$

素因数の和:3067716

約数の個数: 20

約数和(自身を含む): 570592944

約数和(自身を除く): 325176704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3067703, 6135406, 12270812, 15338515, 24541624, 30677030, 49083248, 61354060, 122708120, 245416240]

約数ペア:

[(1, 245416240), (2, 122708120), (4, 61354060), (5, 49083248), (8, 30677030), (10, 24541624), (16, 15338515), (20, 12270812), (40, 6135406), (80, 3067703)]