27830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:52

約数の個数: 24

約数和(自身を含む): 57456

約数和(自身を除く): 29626

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 1210, 1265, 2530, 2783, 5566, 13915, 27830]

約数ペア:

[(1, 27830), (2, 13915), (5, 5566), (10, 2783), (11, 2530), (22, 1265), (23, 1210), (46, 605), (55, 506), (110, 253), (115, 242), (121, 230)]