90517240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{205721}}^1$

素因数の和:205743

約数の個数: 32

約数和(自身を含む): 222179760

約数和(自身を除く): 131662520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 205721, 411442, 822884, 1028605, 1645768, 2057210, 2262931, 4114420, 4525862, 8228840, 9051724, 11314655, 18103448, 22629310, 45258620, 90517240]

約数ペア:

[(1, 90517240), (2, 45258620), (4, 22629310), (5, 18103448), (8, 11314655), (10, 9051724), (11, 8228840), (20, 4525862), (22, 4114420), (40, 2262931), (44, 2057210), (55, 1645768), (88, 1028605), (110, 822884), (220, 411442), (440, 205721)]