8198440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2113}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 18645480

約数和(自身を除く): 10447040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2113, 3880, 4226, 8452, 10565, 16904, 21130, 42260, 84520, 204961, 409922, 819844, 1024805, 1639688, 2049610, 4099220, 8198440]

約数ペア:

[(1, 8198440), (2, 4099220), (4, 2049610), (5, 1639688), (8, 1024805), (10, 819844), (20, 409922), (40, 204961), (97, 84520), (194, 42260), (388, 21130), (485, 16904), (776, 10565), (970, 8452), (1940, 4226), (2113, 3880)]