12198640

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1097}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 28591920

約数和(自身を除く): 16393280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1097, 1112, 1390, 2194, 2224, 2780, 4388, 5485, 5560, 8776, 10970, 11120, 17552, 21940, 43880, 87760, 152483, 304966, 609932, 762415, 1219864, 1524830, 2439728, 3049660, 6099320, 12198640]

約数ペア:

[(1, 12198640), (2, 6099320), (4, 3049660), (5, 2439728), (8, 1524830), (10, 1219864), (16, 762415), (20, 609932), (40, 304966), (80, 152483), (139, 87760), (278, 43880), (556, 21940), (695, 17552), (1097, 11120), (1112, 10970), (1390, 8776), (2194, 5560), (2224, 5485), (2780, 4388)]