78181960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{102871}}^1$

素因数の和:102901

約数の個数: 32

約数和(自身を含む): 185169600

約数和(自身を除く): 106987640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 102871, 205742, 411484, 514355, 822968, 1028710, 1954549, 2057420, 3909098, 4114840, 7818196, 9772745, 15636392, 19545490, 39090980, 78181960]

約数ペア:

[(1, 78181960), (2, 39090980), (4, 19545490), (5, 15636392), (8, 9772745), (10, 7818196), (19, 4114840), (20, 3909098), (38, 2057420), (40, 1954549), (76, 1028710), (95, 822968), (152, 514355), (190, 411484), (380, 205742), (760, 102871)]