123886120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{50773}}^1$

素因数の和:50845

約数の個数: 32

約数和(自身を含む): 283318920

約数和(自身を除く): 159432800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 50773, 101546, 203092, 253865, 406184, 507730, 1015460, 2030920, 3097153, 6194306, 12388612, 15485765, 24777224, 30971530, 61943060, 123886120]

約数ペア:

[(1, 123886120), (2, 61943060), (4, 30971530), (5, 24777224), (8, 15485765), (10, 12388612), (20, 6194306), (40, 3097153), (61, 2030920), (122, 1015460), (244, 507730), (305, 406184), (488, 253865), (610, 203092), (1220, 101546), (2440, 50773)]