13879640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6547}}^1$

素因数の和:6611

約数の個数: 32

約数和(自身を含む): 31823280

約数和(自身を除く): 17943640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 6547, 13094, 26188, 32735, 52376, 65470, 130940, 261880, 346991, 693982, 1387964, 1734955, 2775928, 3469910, 6939820, 13879640]

約数ペア:

[(1, 13879640), (2, 6939820), (4, 3469910), (5, 2775928), (8, 1734955), (10, 1387964), (20, 693982), (40, 346991), (53, 261880), (106, 130940), (212, 65470), (265, 52376), (424, 32735), (530, 26188), (1060, 13094), (2120, 6547)]