71640040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{769}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 172141200

約数和(自身を除く): 100501160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 137, 170, 274, 340, 548, 680, 685, 769, 1096, 1370, 1538, 2329, 2740, 3076, 3845, 4658, 5480, 6152, 7690, 9316, 11645, 13073, 15380, 18632, 23290, 26146, 30760, 46580, 52292, 65365, 93160, 104584, 105353, 130730, 210706, 261460, 421412, 522920, 526765, 842824, 1053530, 1791001, 2107060, 3582002, 4214120, 7164004, 8955005, 14328008, 17910010, 35820020, 71640040]

約数ペア:

[(1, 71640040), (2, 35820020), (4, 17910010), (5, 14328008), (8, 8955005), (10, 7164004), (17, 4214120), (20, 3582002), (34, 2107060), (40, 1791001), (68, 1053530), (85, 842824), (136, 526765), (137, 522920), (170, 421412), (274, 261460), (340, 210706), (548, 130730), (680, 105353), (685, 104584), (769, 93160), (1096, 65365), (1370, 52292), (1538, 46580), (2329, 30760), (2740, 26146), (3076, 23290), (3845, 18632), (4658, 15380), (5480, 13073), (6152, 11645), (7690, 9316)]