99405640

素因数分解:

$2^3\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{1669}}^1$

素因数の和:3169

約数の個数: 32

約数和(自身を含む): 223947000

約数和(自身を除く): 124541360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1489, 1669, 2978, 3338, 5956, 6676, 7445, 8345, 11912, 13352, 14890, 16690, 29780, 33380, 59560, 66760, 2485141, 4970282, 9940564, 12425705, 19881128, 24851410, 49702820, 99405640]

約数ペア:

[(1, 99405640), (2, 49702820), (4, 24851410), (5, 19881128), (8, 12425705), (10, 9940564), (20, 4970282), (40, 2485141), (1489, 66760), (1669, 59560), (2978, 33380), (3338, 29780), (5956, 16690), (6676, 14890), (7445, 13352), (8345, 11912)]