40511020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2069}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 93895200

約数和(自身を除く): 53384180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2069, 3916, 4138, 4895, 8276, 9790, 10345, 19580, 20690, 22759, 41380, 45518, 91036, 113795, 184141, 227590, 368282, 455180, 736564, 920705, 1841410, 2025551, 3682820, 4051102, 8102204, 10127755, 20255510, 40511020]

約数ペア:

[(1, 40511020), (2, 20255510), (4, 10127755), (5, 8102204), (10, 4051102), (11, 3682820), (20, 2025551), (22, 1841410), (44, 920705), (55, 736564), (89, 455180), (110, 368282), (178, 227590), (220, 184141), (356, 113795), (445, 91036), (890, 45518), (979, 41380), (1780, 22759), (1958, 20690), (2069, 19580), (3916, 10345), (4138, 9790), (4895, 8276)]