19701200

素因数分解:

$2^4\times 5^2\times {\mathrm{49253}}^1$

素因数の和:49271

約数の個数: 30

約数和(自身を含む): 47333094

約数和(自身を除く): 27631894

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49253, 98506, 197012, 246265, 394024, 492530, 788048, 985060, 1231325, 1970120, 2462650, 3940240, 4925300, 9850600, 19701200]

約数ペア:

[(1, 19701200), (2, 9850600), (4, 4925300), (5, 3940240), (8, 2462650), (10, 1970120), (16, 1231325), (20, 985060), (25, 788048), (40, 492530), (50, 394024), (80, 246265), (100, 197012), (200, 98506), (400, 49253)]