78779380

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{3023}}^1$

素因数の和:4335

約数の個数: 24

約数和(自身を含む): 165618432

約数和(自身を除く): 86839052

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 3023, 5212, 6046, 6515, 12092, 13030, 15115, 26060, 30230, 60460, 3938969, 7877938, 15755876, 19694845, 39389690, 78779380]

約数ペア:

[(1, 78779380), (2, 39389690), (4, 19694845), (5, 15755876), (10, 7877938), (20, 3938969), (1303, 60460), (2606, 30230), (3023, 26060), (5212, 15115), (6046, 13030), (6515, 12092)]