78328240

素因数分解:

$2^4\times 5^1\times {\mathrm{979103}}^1$

素因数の和:979116

約数の個数: 20

約数和(自身を含む): 182113344

約数和(自身を除く): 103785104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 979103, 1958206, 3916412, 4895515, 7832824, 9791030, 15665648, 19582060, 39164120, 78328240]

約数ペア:

[(1, 78328240), (2, 39164120), (4, 19582060), (5, 15665648), (8, 9791030), (10, 7832824), (16, 4895515), (20, 3916412), (40, 1958206), (80, 979103)]