78339280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51539}}^1$

素因数の和:51571

約数の個数: 40

約数和(自身を含む): 191728800

約数和(自身を除く): 113389520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51539, 103078, 206156, 257695, 412312, 515390, 824624, 979241, 1030780, 1958482, 2061560, 3916964, 4123120, 4896205, 7833928, 9792410, 15667856, 19584820, 39169640, 78339280]

約数ペア:

[(1, 78339280), (2, 39169640), (4, 19584820), (5, 15667856), (8, 9792410), (10, 7833928), (16, 4896205), (19, 4123120), (20, 3916964), (38, 2061560), (40, 1958482), (76, 1030780), (80, 979241), (95, 824624), (152, 515390), (190, 412312), (304, 257695), (380, 206156), (760, 103078), (1520, 51539)]