89243420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20563}}^1$

素因数の和:20610

約数の個数: 48

約数和(自身を含む): 221104128

約数和(自身を除く): 131860708

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, 20563, 41126, 82252, 102815, 143941, 205630, 287882, 411260, 575764, 637453, 719705, 1274906, 1439410, 2549812, 2878820, 3187265, 4462171, 6374530, 8924342, 12749060, 17848684, 22310855, 44621710, 89243420]

約数ペア:

[(1, 89243420), (2, 44621710), (4, 22310855), (5, 17848684), (7, 12749060), (10, 8924342), (14, 6374530), (20, 4462171), (28, 3187265), (31, 2878820), (35, 2549812), (62, 1439410), (70, 1274906), (124, 719705), (140, 637453), (155, 575764), (217, 411260), (310, 287882), (434, 205630), (620, 143941), (868, 102815), (1085, 82252), (2170, 41126), (4340, 20563)]