89061140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20521}}^1$

素因数の和:20568

約数の個数: 48

約数和(自身を含む): 220652544

約数和(自身を除く): 131591404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 20521, 41042, 82084, 102605, 143647, 205210, 287294, 410420, 574588, 636151, 718235, 1272302, 1436470, 2544604, 2872940, 3180755, 4453057, 6361510, 8906114, 12723020, 17812228, 22265285, 44530570, 89061140]

約数ペア:

[(1, 89061140), (2, 44530570), (4, 22265285), (5, 17812228), (7, 12723020), (10, 8906114), (14, 6361510), (20, 4453057), (28, 3180755), (31, 2872940), (35, 2544604), (62, 1436470), (70, 1272302), (124, 718235), (140, 636151), (155, 574588), (217, 410420), (310, 287294), (434, 205210), (620, 143647), (868, 102605), (1085, 82084), (2170, 41042), (4340, 20521)]