7980496520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2056829}}^1$

素因数の和:2056937

約数の個数: 32

約数和(自身を含む): 18141240600

約数和(自身を除く): 10160744080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 2056829, 4113658, 8227316, 10284145, 16454632, 20568290, 41136580, 82273160, 199512413, 399024826, 798049652, 997562065, 1596099304, 1995124130, 3990248260, 7980496520]

約数ペア:

[(1, 7980496520), (2, 3990248260), (4, 1995124130), (5, 1596099304), (8, 997562065), (10, 798049652), (20, 399024826), (40, 199512413), (97, 82273160), (194, 41136580), (388, 20568290), (485, 16454632), (776, 10284145), (970, 8227316), (1940, 4113658), (3880, 2056829)]