400792474160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{385377379}}^1$

素因数の和:385377405

約数の個数: 40

約数和(自身を含む): 1003522697520

約数和(自身を除く): 602730223360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 385377379, 770754758, 1541509516, 1926886895, 3083019032, 3853773790, 5009905927, 6166038064, 7707547580, 10019811854, 15415095160, 20039623708, 25049529635, 30830190320, 40079247416, 50099059270, 80158494832, 100198118540, 200396237080, 400792474160]

約数ペア:

[(1, 400792474160), (2, 200396237080), (4, 100198118540), (5, 80158494832), (8, 50099059270), (10, 40079247416), (13, 30830190320), (16, 25049529635), (20, 20039623708), (26, 15415095160), (40, 10019811854), (52, 7707547580), (65, 6166038064), (80, 5009905927), (104, 3853773790), (130, 3083019032), (208, 1926886895), (260, 1541509516), (520, 770754758), (1040, 385377379)]