78780080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51829}}^1$

素因数の和:51861

約数の個数: 40

約数和(自身を含む): 192807600

約数和(自身を除く): 114027520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51829, 103658, 207316, 259145, 414632, 518290, 829264, 984751, 1036580, 1969502, 2073160, 3939004, 4146320, 4923755, 7878008, 9847510, 15756016, 19695020, 39390040, 78780080]

約数ペア:

[(1, 78780080), (2, 39390040), (4, 19695020), (5, 15756016), (8, 9847510), (10, 7878008), (16, 4923755), (19, 4146320), (20, 3939004), (38, 2073160), (40, 1969502), (76, 1036580), (80, 984751), (95, 829264), (152, 518290), (190, 414632), (304, 259145), (380, 207316), (760, 103658), (1520, 51829)]