12752780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 28148736

約数和(自身を除く): 15395956

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 307, 310, 335, 614, 620, 670, 1228, 1340, 1535, 2077, 3070, 4154, 6140, 8308, 9517, 10385, 19034, 20569, 20770, 38068, 41138, 41540, 47585, 82276, 95170, 102845, 190340, 205690, 411380, 637639, 1275278, 2550556, 3188195, 6376390, 12752780]

約数ペア:

[(1, 12752780), (2, 6376390), (4, 3188195), (5, 2550556), (10, 1275278), (20, 637639), (31, 411380), (62, 205690), (67, 190340), (124, 102845), (134, 95170), (155, 82276), (268, 47585), (307, 41540), (310, 41138), (335, 38068), (614, 20770), (620, 20569), (670, 19034), (1228, 10385), (1340, 9517), (1535, 8308), (2077, 6140), (3070, 4154)]