54742640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12911}}^1$

素因数の和:12977

約数の個数: 40

約数和(自身を含む): 129688128

約数和(自身を除く): 74945488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 12911, 25822, 51644, 64555, 103288, 129110, 206576, 258220, 516440, 684283, 1032880, 1368566, 2737132, 3421415, 5474264, 6842830, 10948528, 13685660, 27371320, 54742640]

約数ペア:

[(1, 54742640), (2, 27371320), (4, 13685660), (5, 10948528), (8, 6842830), (10, 5474264), (16, 3421415), (20, 2737132), (40, 1368566), (53, 1032880), (80, 684283), (106, 516440), (212, 258220), (265, 206576), (424, 129110), (530, 103288), (848, 64555), (1060, 51644), (2120, 25822), (4240, 12911)]