40802710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 83462400

約数和(自身を除く): 42659690

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 79, 130, 137, 145, 158, 274, 290, 377, 395, 685, 754, 790, 1027, 1370, 1781, 1885, 2054, 2291, 3562, 3770, 3973, 4582, 5135, 7946, 8905, 10270, 10823, 11455, 17810, 19865, 21646, 22910, 29783, 39730, 51649, 54115, 59566, 103298, 108230, 140699, 148915, 258245, 281398, 297830, 313867, 516490, 627734, 703495, 1406990, 1569335, 3138670, 4080271, 8160542, 20401355, 40802710]

約数ペア:

[(1, 40802710), (2, 20401355), (5, 8160542), (10, 4080271), (13, 3138670), (26, 1569335), (29, 1406990), (58, 703495), (65, 627734), (79, 516490), (130, 313867), (137, 297830), (145, 281398), (158, 258245), (274, 148915), (290, 140699), (377, 108230), (395, 103298), (685, 59566), (754, 54115), (790, 51649), (1027, 39730), (1370, 29783), (1781, 22910), (1885, 21646), (2054, 19865), (2291, 17810), (3562, 11455), (3770, 10823), (3973, 10270), (4582, 8905), (5135, 7946)]