11420920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{5827}}^1$

素因数の和:5852

約数の個数: 48

約数和(自身を含む): 29897640

約数和(自身を除く): 18476720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 5827, 11654, 23308, 29135, 40789, 46616, 58270, 81578, 116540, 163156, 203945, 233080, 285523, 326312, 407890, 571046, 815780, 1142092, 1427615, 1631560, 2284184, 2855230, 5710460, 11420920]

約数ペア:

[(1, 11420920), (2, 5710460), (4, 2855230), (5, 2284184), (7, 1631560), (8, 1427615), (10, 1142092), (14, 815780), (20, 571046), (28, 407890), (35, 326312), (40, 285523), (49, 233080), (56, 203945), (70, 163156), (98, 116540), (140, 81578), (196, 58270), (245, 46616), (280, 40789), (392, 29135), (490, 23308), (980, 11654), (1960, 5827)]