49239910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 90552960

約数和(自身を除く): 41313050

約数列:

[1, 2, 5, 10, 79, 157, 158, 314, 395, 397, 785, 790, 794, 1570, 1985, 3970, 12403, 24806, 31363, 62015, 62329, 62726, 124030, 124658, 156815, 311645, 313630, 623290, 4923991, 9847982, 24619955, 49239910]

約数ペア:

[(1, 49239910), (2, 24619955), (5, 9847982), (10, 4923991), (79, 623290), (157, 313630), (158, 311645), (314, 156815), (395, 124658), (397, 124030), (785, 62726), (790, 62329), (794, 62015), (1570, 31363), (1985, 24806), (3970, 12403)]