78578480

素因数分解:

$2^4\times 5^1\times {\mathrm{982231}}^1$

素因数の和:982244

約数の個数: 20

約数和(自身を含む): 182695152

約数和(自身を除く): 104116672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 982231, 1964462, 3928924, 4911155, 7857848, 9822310, 15715696, 19644620, 39289240, 78578480]

約数ペア:

[(1, 78578480), (2, 39289240), (4, 19644620), (5, 15715696), (8, 9822310), (10, 7857848), (16, 4911155), (20, 3928924), (40, 1964462), (80, 982231)]