65263480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 156672000

約数和(自身を除く): 91408520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1087, 1501, 1580, 2174, 3002, 3160, 4348, 5435, 6004, 7505, 8696, 10870, 12008, 15010, 20653, 21740, 30020, 41306, 43480, 60040, 82612, 85873, 103265, 165224, 171746, 206530, 343492, 413060, 429365, 686984, 826120, 858730, 1631587, 1717460, 3263174, 3434920, 6526348, 8157935, 13052696, 16315870, 32631740, 65263480]

約数ペア:

[(1, 65263480), (2, 32631740), (4, 16315870), (5, 13052696), (8, 8157935), (10, 6526348), (19, 3434920), (20, 3263174), (38, 1717460), (40, 1631587), (76, 858730), (79, 826120), (95, 686984), (152, 429365), (158, 413060), (190, 343492), (316, 206530), (380, 171746), (395, 165224), (632, 103265), (760, 85873), (790, 82612), (1087, 60040), (1501, 43480), (1580, 41306), (2174, 30020), (3002, 21740), (3160, 20653), (4348, 15010), (5435, 12008), (6004, 10870), (7505, 8696)]