156973005680

素因数分解:

$2^4\times 5^1\times {\mathrm{1962162571}}^1$

素因数の和:1962162584

約数の個数: 20

約数和(自身を含む): 364962238392

約数和(自身を除く): 207989232712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962162571, 3924325142, 7848650284, 9810812855, 15697300568, 19621625710, 31394601136, 39243251420, 78486502840, 156973005680]

約数ペア:

[(1, 156973005680), (2, 78486502840), (4, 39243251420), (5, 31394601136), (8, 19621625710), (10, 15697300568), (16, 9810812855), (20, 7848650284), (40, 3924325142), (80, 1962162571)]