109129960

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4243}}^1$

素因数の和:4897

約数の個数: 32

約数和(自身を含む): 245982240

約数和(自身を除く): 136852280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 4243, 5144, 6430, 8486, 12860, 16972, 21215, 25720, 33944, 42430, 84860, 169720, 2728249, 5456498, 10912996, 13641245, 21825992, 27282490, 54564980, 109129960]

約数ペア:

[(1, 109129960), (2, 54564980), (4, 27282490), (5, 21825992), (8, 13641245), (10, 10912996), (20, 5456498), (40, 2728249), (643, 169720), (1286, 84860), (2572, 42430), (3215, 33944), (4243, 25720), (5144, 21215), (6430, 16972), (8486, 12860)]