68869880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17047}}^1$

素因数の和:17159

約数の個数: 32

約数和(自身を含む): 156500640

約数和(自身を除く): 87630760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 17047, 34094, 68188, 85235, 136376, 170470, 340940, 681880, 1721747, 3443494, 6886988, 8608735, 13773976, 17217470, 34434940, 68869880]

約数ペア:

[(1, 68869880), (2, 34434940), (4, 17217470), (5, 13773976), (8, 8608735), (10, 6886988), (20, 3443494), (40, 1721747), (101, 681880), (202, 340940), (404, 170470), (505, 136376), (808, 85235), (1010, 68188), (2020, 34094), (4040, 17047)]