64297220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3691}}^1$

素因数の和:3780

約数の個数: 48

約数和(自身を含む): 147620928

約数和(自身を除く): 83323708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 3691, 4355, 7382, 8710, 14764, 17420, 18455, 36910, 47983, 73820, 95966, 191932, 239915, 247297, 479830, 494594, 959660, 989188, 1236485, 2472970, 3214861, 4945940, 6429722, 12859444, 16074305, 32148610, 64297220]

約数ペア:

[(1, 64297220), (2, 32148610), (4, 16074305), (5, 12859444), (10, 6429722), (13, 4945940), (20, 3214861), (26, 2472970), (52, 1236485), (65, 989188), (67, 959660), (130, 494594), (134, 479830), (260, 247297), (268, 239915), (335, 191932), (670, 95966), (871, 73820), (1340, 47983), (1742, 36910), (3484, 18455), (3691, 17420), (4355, 14764), (7382, 8710)]