78953240

素因数分解:

$2^3\times 5^1\times {\mathrm{1973831}}^1$

素因数の和:1973842

約数の個数: 16

約数和(自身を含む): 177644880

約数和(自身を除く): 98691640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1973831, 3947662, 7895324, 9869155, 15790648, 19738310, 39476620, 78953240]

約数ペア:

[(1, 78953240), (2, 39476620), (4, 19738310), (5, 15790648), (8, 9869155), (10, 7895324), (20, 3947662), (40, 1973831)]