42770380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 94225824

約数和(自身を除く): 51455444

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1213, 1763, 2426, 3526, 4852, 6065, 7052, 8815, 12130, 17630, 24260, 35260, 49733, 52159, 99466, 104318, 198932, 208636, 248665, 260795, 497330, 521590, 994660, 1043180, 2138519, 4277038, 8554076, 10692595, 21385190, 42770380]

約数ペア:

[(1, 42770380), (2, 21385190), (4, 10692595), (5, 8554076), (10, 4277038), (20, 2138519), (41, 1043180), (43, 994660), (82, 521590), (86, 497330), (164, 260795), (172, 248665), (205, 208636), (215, 198932), (410, 104318), (430, 99466), (820, 52159), (860, 49733), (1213, 35260), (1763, 24260), (2426, 17630), (3526, 12130), (4852, 8815), (6065, 7052)]