49513840

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1559}}^1$

素因数の和:1969

約数の個数: 40

約数和(自身を含む): 115483680

約数和(自身を除く): 65969840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1559, 1588, 1985, 3118, 3176, 3970, 6236, 6352, 7795, 7940, 12472, 15590, 15880, 24944, 31180, 31760, 62360, 124720, 618923, 1237846, 2475692, 3094615, 4951384, 6189230, 9902768, 12378460, 24756920, 49513840]

約数ペア:

[(1, 49513840), (2, 24756920), (4, 12378460), (5, 9902768), (8, 6189230), (10, 4951384), (16, 3094615), (20, 2475692), (40, 1237846), (80, 618923), (397, 124720), (794, 62360), (1559, 31760), (1588, 31180), (1985, 24944), (3118, 15880), (3176, 15590), (3970, 12472), (6236, 7940), (6352, 7795)]