8198260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1936

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 12123020

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, 1889, 2170, 3778, 4340, 7556, 9445, 13223, 18890, 26446, 37780, 52892, 58559, 66115, 117118, 132230, 234236, 264460, 292795, 409913, 585590, 819826, 1171180, 1639652, 2049565, 4099130, 8198260]

約数ペア:

[(1, 8198260), (2, 4099130), (4, 2049565), (5, 1639652), (7, 1171180), (10, 819826), (14, 585590), (20, 409913), (28, 292795), (31, 264460), (35, 234236), (62, 132230), (70, 117118), (124, 66115), (140, 58559), (155, 52892), (217, 37780), (310, 26446), (434, 18890), (620, 13223), (868, 9445), (1085, 7556), (1889, 4340), (2170, 3778)]