39817480

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1979}}^1$

素因数の和:2493

約数の個数: 32

約数和(自身を含む): 89812800

約数和(自身を除く): 49995320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 1979, 2012, 2515, 3958, 4024, 5030, 7916, 9895, 10060, 15832, 19790, 20120, 39580, 79160, 995437, 1990874, 3981748, 4977185, 7963496, 9954370, 19908740, 39817480]

約数ペア:

[(1, 39817480), (2, 19908740), (4, 9954370), (5, 7963496), (8, 4977185), (10, 3981748), (20, 1990874), (40, 995437), (503, 79160), (1006, 39580), (1979, 20120), (2012, 19790), (2515, 15832), (3958, 10060), (4024, 9895), (5030, 7916)]