13906780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11399}}^1$

素因数の和:11469

約数の個数: 24

約数和(自身を含む): 29685600

約数和(自身を除く): 15778820

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 11399, 22798, 45596, 56995, 113990, 227980, 695339, 1390678, 2781356, 3476695, 6953390, 13906780]

約数ペア:

[(1, 13906780), (2, 6953390), (4, 3476695), (5, 2781356), (10, 1390678), (20, 695339), (61, 227980), (122, 113990), (244, 56995), (305, 45596), (610, 22798), (1220, 11399)]