38996811380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4969}}^1\times {\mathrm{4409}}^1$

素因数の和:9476

約数の個数: 48

約数和(自身を含む): 82848906000

約数和(自身を除く): 43852094620

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4409, 4969, 8818, 9938, 17636, 19876, 22045, 24845, 44090, 49690, 88180, 99380, 392401, 442241, 784802, 884482, 1569604, 1768964, 1962005, 2211205, 3924010, 4422410, 7848020, 8844820, 21908321, 43816642, 87633284, 109541605, 219083210, 438166420, 1949840569, 3899681138, 7799362276, 9749202845, 19498405690, 38996811380]

約数ペア:

[(1, 38996811380), (2, 19498405690), (4, 9749202845), (5, 7799362276), (10, 3899681138), (20, 1949840569), (89, 438166420), (178, 219083210), (356, 109541605), (445, 87633284), (890, 43816642), (1780, 21908321), (4409, 8844820), (4969, 7848020), (8818, 4422410), (9938, 3924010), (17636, 2211205), (19876, 1962005), (22045, 1768964), (24845, 1569604), (44090, 884482), (49690, 784802), (88180, 442241), (99380, 392401)]