39956830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2113}}^1$

素因数の和:2212

約数の個数: 32

約数和(自身を含む): 75495168

約数和(自身を除く): 35538338

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 2113, 3782, 4226, 9455, 10565, 18910, 21130, 65503, 128893, 131006, 257786, 327515, 644465, 655030, 1288930, 3995683, 7991366, 19978415, 39956830]

約数ペア:

[(1, 39956830), (2, 19978415), (5, 7991366), (10, 3995683), (31, 1288930), (61, 655030), (62, 644465), (122, 327515), (155, 257786), (305, 131006), (310, 128893), (610, 65503), (1891, 21130), (2113, 18910), (3782, 10565), (4226, 9455)]