39806480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2293}}^1$

素因数の和:2344

約数の個数: 80

約数和(自身を含む): 109231104

約数和(自身を除く): 69424624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2293, 2480, 3472, 4340, 4586, 8680, 9172, 11465, 16051, 17360, 18344, 22930, 32102, 36688, 45860, 64204, 71083, 80255, 91720, 128408, 142166, 160510, 183440, 256816, 284332, 321020, 355415, 497581, 568664, 642040, 710830, 995162, 1137328, 1284080, 1421660, 1990324, 2487905, 2843320, 3980648, 4975810, 5686640, 7961296, 9951620, 19903240, 39806480]

約数ペア:

[(1, 39806480), (2, 19903240), (4, 9951620), (5, 7961296), (7, 5686640), (8, 4975810), (10, 3980648), (14, 2843320), (16, 2487905), (20, 1990324), (28, 1421660), (31, 1284080), (35, 1137328), (40, 995162), (56, 710830), (62, 642040), (70, 568664), (80, 497581), (112, 355415), (124, 321020), (140, 284332), (155, 256816), (217, 183440), (248, 160510), (280, 142166), (310, 128408), (434, 91720), (496, 80255), (560, 71083), (620, 64204), (868, 45860), (1085, 36688), (1240, 32102), (1736, 22930), (2170, 18344), (2293, 17360), (2480, 16051), (3472, 11465), (4340, 9172), (4586, 8680)]