89521180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20627}}^1$

素因数の和:20674

約数の個数: 48

約数和(自身を含む): 221792256

約数和(自身を除く): 132271076

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, 20627, 41254, 82508, 103135, 144389, 206270, 288778, 412540, 577556, 639437, 721945, 1278874, 1443890, 2557748, 2887780, 3197185, 4476059, 6394370, 8952118, 12788740, 17904236, 22380295, 44760590, 89521180]

約数ペア:

[(1, 89521180), (2, 44760590), (4, 22380295), (5, 17904236), (7, 12788740), (10, 8952118), (14, 6394370), (20, 4476059), (28, 3197185), (31, 2887780), (35, 2557748), (62, 1443890), (70, 1278874), (124, 721945), (140, 639437), (155, 577556), (217, 412540), (310, 288778), (434, 206270), (620, 144389), (868, 103135), (1085, 82508), (2170, 41254), (4340, 20627)]