89308120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{202973}}^1$

素因数の和:202995

約数の個数: 32

約数和(自身を含む): 219211920

約数和(自身を除く): 129903800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 202973, 405946, 811892, 1014865, 1623784, 2029730, 2232703, 4059460, 4465406, 8118920, 8930812, 11163515, 17861624, 22327030, 44654060, 89308120]

約数ペア:

[(1, 89308120), (2, 44654060), (4, 22327030), (5, 17861624), (8, 11163515), (10, 8930812), (11, 8118920), (20, 4465406), (22, 4059460), (40, 2232703), (44, 2029730), (55, 1623784), (88, 1014865), (110, 811892), (220, 405946), (440, 202973)]