640035552

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{512849}}^1$

素因数の和:512875

約数の個数: 48

約数和(自身を含む): 1809334800

約数和(自身を除く): 1169299248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 512849, 1025698, 1538547, 2051396, 3077094, 4102792, 6154188, 6667037, 8205584, 12308376, 13334074, 16411168, 20001111, 24616752, 26668148, 40002222, 49233504, 53336296, 80004444, 106672592, 160008888, 213345184, 320017776, 640035552]

約数ペア:

[(1, 640035552), (2, 320017776), (3, 213345184), (4, 160008888), (6, 106672592), (8, 80004444), (12, 53336296), (13, 49233504), (16, 40002222), (24, 26668148), (26, 24616752), (32, 20001111), (39, 16411168), (48, 13334074), (52, 12308376), (78, 8205584), (96, 6667037), (104, 6154188), (156, 4102792), (208, 3077094), (312, 2051396), (416, 1538547), (624, 1025698), (1248, 512849)]