78904810

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^4$

素因数の和:219

約数の個数: 20

約数和(自身を含む): 144759978

約数和(自身を除く): 65855168

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 2809, 5618, 14045, 28090, 148877, 297754, 744385, 1488770, 7890481, 15780962, 39452405, 78904810]

約数ペア:

[(1, 78904810), (2, 39452405), (5, 15780962), (10, 7890481), (53, 1488770), (106, 744385), (265, 297754), (530, 148877), (2809, 28090), (5618, 14045)]