51384980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 113143296

約数和(自身を除く): 61758316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1237, 1340, 2077, 2474, 4154, 4948, 6185, 8308, 10385, 12370, 20770, 24740, 38347, 41540, 76694, 82879, 153388, 165758, 191735, 331516, 383470, 414395, 766940, 828790, 1657580, 2569249, 5138498, 10276996, 12846245, 25692490, 51384980]

約数ペア:

[(1, 51384980), (2, 25692490), (4, 12846245), (5, 10276996), (10, 5138498), (20, 2569249), (31, 1657580), (62, 828790), (67, 766940), (124, 414395), (134, 383470), (155, 331516), (268, 191735), (310, 165758), (335, 153388), (620, 82879), (670, 76694), (1237, 41540), (1340, 38347), (2077, 24740), (2474, 20770), (4154, 12370), (4948, 10385), (6185, 8308)]