8127440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5347}}^1$

素因数の和:5379

約数の個数: 40

約数和(自身を含む): 19894560

約数和(自身を除く): 11767120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5347, 10694, 21388, 26735, 42776, 53470, 85552, 101593, 106940, 203186, 213880, 406372, 427760, 507965, 812744, 1015930, 1625488, 2031860, 4063720, 8127440]

約数ペア:

[(1, 8127440), (2, 4063720), (4, 2031860), (5, 1625488), (8, 1015930), (10, 812744), (16, 507965), (19, 427760), (20, 406372), (38, 213880), (40, 203186), (76, 106940), (80, 101593), (95, 85552), (152, 53470), (190, 42776), (304, 26735), (380, 21388), (760, 10694), (1520, 5347)]