39980710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 90616320

約数和(自身を除く): 50635610

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 137, 154, 274, 379, 385, 685, 758, 770, 959, 1370, 1507, 1895, 1918, 2653, 3014, 3790, 4169, 4795, 5306, 7535, 8338, 9590, 10549, 13265, 15070, 20845, 21098, 26530, 29183, 41690, 51923, 52745, 58366, 103846, 105490, 145915, 259615, 291830, 363461, 519230, 571153, 726922, 1142306, 1817305, 2855765, 3634610, 3998071, 5711530, 7996142, 19990355, 39980710]

約数ペア:

[(1, 39980710), (2, 19990355), (5, 7996142), (7, 5711530), (10, 3998071), (11, 3634610), (14, 2855765), (22, 1817305), (35, 1142306), (55, 726922), (70, 571153), (77, 519230), (110, 363461), (137, 291830), (154, 259615), (274, 145915), (379, 105490), (385, 103846), (685, 58366), (758, 52745), (770, 51923), (959, 41690), (1370, 29183), (1507, 26530), (1895, 21098), (1918, 20845), (2653, 15070), (3014, 13265), (3790, 10549), (4169, 9590), (4795, 8338), (5306, 7535)]