78038920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 183257280

約数和(自身を除く): 105218360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 67, 74, 134, 148, 185, 268, 296, 335, 370, 536, 670, 740, 787, 1340, 1480, 1574, 2479, 2680, 3148, 3935, 4958, 6296, 7870, 9916, 12395, 15740, 19832, 24790, 29119, 31480, 49580, 52729, 58238, 99160, 105458, 116476, 145595, 210916, 232952, 263645, 291190, 421832, 527290, 582380, 1054580, 1164760, 1950973, 2109160, 3901946, 7803892, 9754865, 15607784, 19509730, 39019460, 78038920]

約数ペア:

[(1, 78038920), (2, 39019460), (4, 19509730), (5, 15607784), (8, 9754865), (10, 7803892), (20, 3901946), (37, 2109160), (40, 1950973), (67, 1164760), (74, 1054580), (134, 582380), (148, 527290), (185, 421832), (268, 291190), (296, 263645), (335, 232952), (370, 210916), (536, 145595), (670, 116476), (740, 105458), (787, 99160), (1340, 58238), (1480, 52729), (1574, 49580), (2479, 31480), (2680, 29119), (3148, 24790), (3935, 19832), (4958, 15740), (6296, 12395), (7870, 9916)]