42500720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27961}}^1$

素因数の和:27993

約数の個数: 40

約数和(自身を含む): 104018640

約数和(自身を除く): 61517920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 27961, 55922, 111844, 139805, 223688, 279610, 447376, 531259, 559220, 1062518, 1118440, 2125036, 2236880, 2656295, 4250072, 5312590, 8500144, 10625180, 21250360, 42500720]

約数ペア:

[(1, 42500720), (2, 21250360), (4, 10625180), (5, 8500144), (8, 5312590), (10, 4250072), (16, 2656295), (19, 2236880), (20, 2125036), (38, 1118440), (40, 1062518), (76, 559220), (80, 531259), (95, 447376), (152, 279610), (190, 223688), (304, 139805), (380, 111844), (760, 55922), (1520, 27961)]