25777870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 49150080

約数和(自身を除く): 23372210

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 643, 1055, 1286, 2110, 3215, 4009, 6430, 8018, 12217, 20045, 24434, 40090, 61085, 122170, 135673, 271346, 678365, 1356730, 2577787, 5155574, 12888935, 25777870]

約数ペア:

[(1, 25777870), (2, 12888935), (5, 5155574), (10, 2577787), (19, 1356730), (38, 678365), (95, 271346), (190, 135673), (211, 122170), (422, 61085), (643, 40090), (1055, 24434), (1286, 20045), (2110, 12217), (3215, 8018), (4009, 6430)]