64440740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35407}}^1$

素因数の和:35436

約数の個数: 48

約数和(自身を含む): 166559232

約数和(自身を除く): 102118492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 35407, 70814, 141628, 177035, 247849, 354070, 460291, 495698, 708140, 920582, 991396, 1239245, 1841164, 2301455, 2478490, 3222037, 4602910, 4956980, 6444074, 9205820, 12888148, 16110185, 32220370, 64440740]

約数ペア:

[(1, 64440740), (2, 32220370), (4, 16110185), (5, 12888148), (7, 9205820), (10, 6444074), (13, 4956980), (14, 4602910), (20, 3222037), (26, 2478490), (28, 2301455), (35, 1841164), (52, 1239245), (65, 991396), (70, 920582), (91, 708140), (130, 495698), (140, 460291), (182, 354070), (260, 247849), (364, 177035), (455, 141628), (910, 70814), (1820, 35407)]