51242380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11807}}^1$

素因数の和:11854

約数の個数: 48

約数和(自身を含む): 126959616

約数和(自身を除く): 75717236

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, 11807, 23614, 47228, 59035, 82649, 118070, 165298, 236140, 330596, 366017, 413245, 732034, 826490, 1464068, 1652980, 1830085, 2562119, 3660170, 5124238, 7320340, 10248476, 12810595, 25621190, 51242380]

約数ペア:

[(1, 51242380), (2, 25621190), (4, 12810595), (5, 10248476), (7, 7320340), (10, 5124238), (14, 3660170), (20, 2562119), (28, 1830085), (31, 1652980), (35, 1464068), (62, 826490), (70, 732034), (124, 413245), (140, 366017), (155, 330596), (217, 236140), (310, 165298), (434, 118070), (620, 82649), (868, 59035), (1085, 47228), (2170, 23614), (4340, 11807)]