89373620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20593}}^1$

素因数の和:20640

約数の個数: 48

約数和(自身を含む): 221426688

約数和(自身を除く): 132053068

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, 20593, 41186, 82372, 102965, 144151, 205930, 288302, 411860, 576604, 638383, 720755, 1276766, 1441510, 2553532, 2883020, 3191915, 4468681, 6383830, 8937362, 12767660, 17874724, 22343405, 44686810, 89373620]

約数ペア:

[(1, 89373620), (2, 44686810), (4, 22343405), (5, 17874724), (7, 12767660), (10, 8937362), (14, 6383830), (20, 4468681), (28, 3191915), (31, 2883020), (35, 2553532), (62, 1441510), (70, 1276766), (124, 720755), (140, 638383), (155, 576604), (217, 411860), (310, 288302), (434, 205930), (620, 144151), (868, 102965), (1085, 82372), (2170, 41186), (4340, 20593)]