42155740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2153}}^1$

素因数の和:2262

約数の個数: 48

約数和(自身を含む): 97705440

約数和(自身を除く): 55549700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2153, 3916, 4306, 4895, 8612, 9790, 10765, 19580, 21530, 23683, 43060, 47366, 94732, 118415, 191617, 236830, 383234, 473660, 766468, 958085, 1916170, 2107787, 3832340, 4215574, 8431148, 10538935, 21077870, 42155740]

約数ペア:

[(1, 42155740), (2, 21077870), (4, 10538935), (5, 8431148), (10, 4215574), (11, 3832340), (20, 2107787), (22, 1916170), (44, 958085), (55, 766468), (89, 473660), (110, 383234), (178, 236830), (220, 191617), (356, 118415), (445, 94732), (890, 47366), (979, 43060), (1780, 23683), (1958, 21530), (2153, 19580), (3916, 10765), (4306, 9790), (4895, 8612)]