38780920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11681}}^1$

素因数の和:11775

約数の個数: 32

約数和(自身を含む): 88315920

約数和(自身を除く): 49535000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 11681, 23362, 46724, 58405, 93448, 116810, 233620, 467240, 969523, 1939046, 3878092, 4847615, 7756184, 9695230, 19390460, 38780920]

約数ペア:

[(1, 38780920), (2, 19390460), (4, 9695230), (5, 7756184), (8, 4847615), (10, 3878092), (20, 1939046), (40, 969523), (83, 467240), (166, 233620), (332, 116810), (415, 93448), (664, 58405), (830, 46724), (1660, 23362), (3320, 11681)]